diff --git a/build/webpack.base.conf.js b/build/webpack.base.conf.js
index d1720fa6..f0f27e48 100644
--- a/build/webpack.base.conf.js
+++ b/build/webpack.base.conf.js
@@ -5,7 +5,6 @@ var config = require('../config')
 var VueLoaderPlugin = require('vue-loader/lib/plugin')
 var vueLoaderConfig = require('./vue-loader.conf')
 var StylelintPlugin = require('stylelint-webpack-plugin')
-var FaviconsWebpackPlugin = require('favicons-webpack-plugin')
 
 function resolve (dir) {
   return path.join(__dirname, '..', dir)
@@ -48,16 +47,33 @@ module.exports = {
         loader: 'vue-loader',
         options: vueLoaderConfig
       },
+      // We can't pass graphlibrary to babel
+      {
+        test: /\.js$/,
+        loader: 'string-replace-loader',
+        include: [
+          resolve('node_modules/graphlibrary')
+        ],
+        options: {
+          search: '^\\s*(?:let|const) ',
+          replace: 'var ',
+          flags: 'gm'
+        }
+      },
       {
         test: /\.js$/,
         loader: 'babel-loader',
-        include: [resolve('src'), resolve('test'), resolve('node_modules/mermaid/src')],
+        include: [
+          resolve('src'),
+          resolve('test'),
+          resolve('node_modules/mermaid')
+        ],
         exclude: [
           resolve('node_modules/mermaid/src/diagrams/class/parser'),
           resolve('node_modules/mermaid/src/diagrams/flowchart/parser'),
           resolve('node_modules/mermaid/src/diagrams/gantt/parser'),
           resolve('node_modules/mermaid/src/diagrams/git/parser'),
-          resolve('node_modules/mermaid/src/diagrams/sequence/parser'),
+          resolve('node_modules/mermaid/src/diagrams/sequence/parser')
         ],
       },
       {
@@ -86,10 +102,6 @@ module.exports = {
     new StylelintPlugin({
       files: ['**/*.vue', '**/*.scss']
     }),
-    new FaviconsWebpackPlugin({
-      logo: resolve('src/assets/favicon.png'),
-      title: 'StackEdit',
-    }),
     new webpack.DefinePlugin({
       VERSION: JSON.stringify(require('../package.json').version)
     })
diff --git a/build/webpack.prod.conf.js b/build/webpack.prod.conf.js
index 0118c749..e88398e9 100644
--- a/build/webpack.prod.conf.js
+++ b/build/webpack.prod.conf.js
@@ -9,6 +9,12 @@ var HtmlWebpackPlugin = require('html-webpack-plugin')
 var ExtractTextPlugin = require('extract-text-webpack-plugin')
 var OptimizeCSSPlugin = require('optimize-css-assets-webpack-plugin')
 var OfflinePlugin = require('offline-plugin');
+var WebpackPwaManifest = require('webpack-pwa-manifest')
+var FaviconsWebpackPlugin = require('favicons-webpack-plugin')
+
+function resolve (dir) {
+  return path.join(__dirname, '..', dir)
+}
 
 var env = config.build.env
 
@@ -94,6 +100,22 @@ var webpackConfig = merge(baseWebpackConfig, {
         ignore: ['.*']
       }
     ]),
+    new FaviconsWebpackPlugin({
+      logo: resolve('src/assets/favicon.png'),
+      title: 'StackEdit',
+    }),
+    new WebpackPwaManifest({
+      name: 'StackEdit',
+      description: 'Full-featured, open-source Markdown editor',
+      display: 'standalone',
+      start_url: 'app',
+      background_color: '#ffffff',
+      crossorigin: 'use-credentials',
+      icons: [{
+        src: resolve('src/assets/favicon.png'),
+        sizes: [96, 128, 192, 256, 384, 512]
+      }]
+    }),
     new OfflinePlugin({
       ServiceWorker: {
         events: true
@@ -101,7 +123,7 @@ var webpackConfig = merge(baseWebpackConfig, {
       AppCache: true,
       excludes: ['**/.*', '**/*.map', '**/index.html', '**/static/oauth2/callback.html', '**/icons-*/*.png', '**/static/fonts/KaTeX_*'],
       externals: ['/', '/app', '/oauth2/callback']
-    })
+    }),
   ]
 })
 
diff --git a/package-lock.json b/package-lock.json
index ca0dcee4..e7cda4bf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16854,6 +16854,69 @@
         }
       }
     },
+    "string-replace-loader": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/string-replace-loader/-/string-replace-loader-2.1.1.tgz",
+      "integrity": "sha512-0Nvw1LDclF45AFNuYPcD2Jvkv0mwb/dQSnJZMvhqGrT+zzmrpG3OJFD600qfQfNUd5aqfp7fCm2mQMfF7zLbyQ==",
+      "dev": true,
+      "requires": {
+        "loader-utils": "^1.1.0",
+        "schema-utils": "^0.4.5"
+      },
+      "dependencies": {
+        "ajv": {
+          "version": "6.5.3",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.3.tgz",
+          "integrity": "sha512-LqZ9wY+fx3UMiiPd741yB2pj3hhil+hQc8taf4o2QGRFpWgZ2V5C8HA165DY9sS3fJwsk7uT7ZlFEyC3Ig3lLg==",
+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "^2.0.1",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.4.1",
+            "uri-js": "^4.2.2"
+          }
+        },
+        "ajv-keywords": {
+          "version": "3.2.0",
+          "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.2.0.tgz",
+          "integrity": "sha1-6GuBnGAs+IIa1jdBNpjx3sAhhHo=",
+          "dev": true
+        },
+        "fast-deep-equal": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
+          "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
+          "dev": true
+        },
+        "json-schema-traverse": {
+          "version": "0.4.1",
+          "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+          "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+          "dev": true
+        },
+        "loader-utils": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.1.0.tgz",
+          "integrity": "sha1-yYrvSIvM7aL/teLeZG1qdUQp9c0=",
+          "dev": true,
+          "requires": {
+            "big.js": "^3.1.3",
+            "emojis-list": "^2.0.0",
+            "json5": "^0.5.0"
+          }
+        },
+        "schema-utils": {
+          "version": "0.4.7",
+          "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-0.4.7.tgz",
+          "integrity": "sha512-v/iwU6wvwGK8HbU9yi3/nhGzP0yGSuhQMzL6ySiec1FSrZZDkhm4noOSWzrNFo/jEc+SJY6jRTwuwbSXJPDUnQ==",
+          "dev": true,
+          "requires": {
+            "ajv": "^6.1.0",
+            "ajv-keywords": "^3.1.0"
+          }
+        }
+      }
+    },
     "string-width": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
@@ -19774,6 +19837,25 @@
         }
       }
     },
+    "webpack-pwa-manifest": {
+      "version": "3.7.1",
+      "resolved": "https://registry.npmjs.org/webpack-pwa-manifest/-/webpack-pwa-manifest-3.7.1.tgz",
+      "integrity": "sha512-G37fVCa1ndij3jyz6WaOaxHLHdp2URyOHwp2GLmxt39sXL8ZdOFM1qvHagEJBkNh+3hu25eIgy6TD5J/8sgQcQ==",
+      "dev": true,
+      "requires": {
+        "css-color-names": "0.0.4",
+        "jimp": "^0.2.28",
+        "mime": "^1.6.0"
+      },
+      "dependencies": {
+        "mime": {
+          "version": "1.6.0",
+          "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
+          "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==",
+          "dev": true
+        }
+      }
+    },
     "webpack-sources": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.1.0.tgz",
diff --git a/package.json b/package.json
index 4c5035a1..1580eee3 100644
--- a/package.json
+++ b/package.json
@@ -110,6 +110,7 @@
     "sass-loader": "^7.0.1",
     "semver": "^5.5.0",
     "shelljs": "^0.8.1",
+    "string-replace-loader": "^2.1.1",
     "stylelint": "^9.2.0",
     "stylelint-config-standard": "^16.0.0",
     "stylelint-processor-html": "^1.0.0",
@@ -124,6 +125,7 @@
     "webpack-dev-middleware": "^1.10.0",
     "webpack-hot-middleware": "^2.18.0",
     "webpack-merge": "^4.1.2",
+    "webpack-pwa-manifest": "^3.7.1",
     "worker-loader": "^1.1.1"
   },
   "engines": {
diff --git a/src/components/Notification.vue b/src/components/Notification.vue
index e2a94b46..f1c0ee9c 100644
--- a/src/components/Notification.vue
+++ b/src/components/Notification.vue
@@ -2,12 +2,18 @@
   <div class="notification">
     <div class="notification__item flex flex--row flex--align-center" v-for="(item, idx) in items" :key="idx">
       <div class="notification__icon flex flex--column flex--center">
-        <icon-information v-if="item.type === 'info'"></icon-information>
-        <icon-alert v-else-if="item.type === 'error'"></icon-alert>
+        <icon-alert v-if="item.type === 'error'"></icon-alert>
+        <icon-information v-else></icon-information>
       </div>
       <div class="notification__content">
         {{item.content}}
       </div>
+      <button class="notification__button button" v-if="item.type === 'confirm'" @click="item.reject">
+        No
+      </button>
+      <button class="notification__button button" v-if="item.type === 'confirm'" @click="item.resolve">
+        Yes
+      </button>
     </div>
   </div>
 </template>
@@ -49,4 +55,17 @@ export default {
   margin-right: 12px;
   flex: none;
 }
+
+.notification__button {
+  color: $navbar-color;
+  padding: 8px;
+  flex: none;
+
+  &:active,
+  &:focus,
+  &:hover {
+    color: $navbar-hover-color;
+    background-color: $navbar-hover-background;
+  }
+}
 </style>
diff --git a/src/index.js b/src/index.js
index 8b9c79cb..8f373d90 100644
--- a/src/index.js
+++ b/src/index.js
@@ -33,6 +33,22 @@ if (localStorage.updated) {
   setTimeout(() => localStorage.removeItem('updated'), 2000);
 }
 
+if (!localStorage.installPrompted) {
+  window.addEventListener('beforeinstallprompt', async (promptEvent) => {
+    // Prevent Chrome 67 and earlier from automatically showing the prompt
+    promptEvent.preventDefault();
+
+    try {
+      await store.dispatch('notification/confirm', 'Add StackEdit to your home screen?');
+      promptEvent.prompt();
+      await promptEvent.userChoice;
+    } catch (err) {
+      // Cancel
+    }
+    localStorage.installPrompted = true;
+  });
+}
+
 Vue.config.productionTip = false;
 
 /* eslint-disable no-new */
diff --git a/src/services/providers/helpers/googleHelper.js b/src/services/providers/helpers/googleHelper.js
index 997eaa99..e9b673e7 100644
--- a/src/services/providers/helpers/googleHelper.js
+++ b/src/services/providers/helpers/googleHelper.js
@@ -7,6 +7,7 @@ const clientId = GOOGLE_CLIENT_ID;
 const apiKey = 'AIzaSyC_M4RA9pY6XmM9pmFxlT59UPMO7aHr9kk';
 const appsDomain = null;
 const tokenExpirationMargin = 5 * 60 * 1000; // 5 min (Google tokens expire after 1h)
+let googlePlusNotification = true;
 
 const driveAppDataScopes = ['https://www.googleapis.com/auth/drive.appdata'];
 const getDriveScopes = token => [token.driveFullAccess
@@ -160,7 +161,12 @@ export default {
 
     // Call the user info endpoint
     const user = await getUser('me', token);
-    token.name = user.displayName;
+    if (user.displayName) {
+      token.name = user.displayName;
+    } else if (googlePlusNotification) {
+      store.dispatch('notification/info', 'Please activate Google Plus to change your account name and photo.');
+      googlePlusNotification = false;
+    }
     userSvc.addInfo({
       id: `${subPrefix}:${user.id}`,
       name: user.displayName,
@@ -449,10 +455,10 @@ export default {
         },
       });
       revisions.forEach((revision) => {
-        store.commit('userInfo/addItem', {
+        userSvc.addInfo({
           id: `${subPrefix}:${revision.lastModifyingUser.permissionId}`,
           name: revision.lastModifyingUser.displayName,
-          imageUrl: revision.lastModifyingUser.photoLink,
+          imageUrl: revision.lastModifyingUser.photoLink || '',
         });
         allRevisions.push(revision);
       });
diff --git a/src/store/notification.js b/src/store/notification.js
index 5787c47e..d0ea8b84 100644
--- a/src/store/notification.js
+++ b/src/store/notification.js
@@ -1,6 +1,7 @@
 import providerRegistry from '../services/providers/common/providerRegistry';
+import utils from '../services/utils';
 
-const defaultTimeout = 5000;
+const defaultTimeout = 5000; // 5 sec
 
 export default {
   namespaced: true,
@@ -14,20 +15,49 @@ export default {
   },
   actions: {
     showItem({ state, commit }, item) {
-      if (state.items.every(other => other.type !== item.type || other.content !== item.content)) {
+      const existingItem = utils.someResult(
+        state.items,
+        other => other.type === item.type && other.content === item.content && item,
+      );
+      if (existingItem) {
+        return existingItem.promise;
+      }
+
+      item.promise = new Promise((resolve, reject) => {
         commit('setItems', [...state.items, item]);
+        const removeItem = () => commit(
+          'setItems',
+          state.items.filter(otherItem => otherItem !== item),
+        );
         setTimeout(
-          () => commit('setItems', state.items.filter(otherItem => otherItem !== item)),
+          () => removeItem(),
           item.timeout || defaultTimeout,
         );
-      }
+        item.resolve = (res) => {
+          removeItem();
+          resolve(res);
+        };
+        item.reject = (err) => {
+          removeItem();
+          reject(err);
+        };
+      });
+
+      return item.promise;
     },
     info({ dispatch }, info) {
-      dispatch('showItem', {
+      return dispatch('showItem', {
         type: 'info',
         content: info,
       });
     },
+    confirm({ dispatch }, question) {
+      return dispatch('showItem', {
+        type: 'confirm',
+        content: question,
+        timeout: 10000, // 10 sec
+      });
+    },
     error({ dispatch, rootState }, error) {
       const item = { type: 'error' };
       if (error) {
@@ -48,7 +78,7 @@ export default {
       if (!item.content || item.content === '[object Object]') {
         item.content = 'Unknown error.';
       }
-      dispatch('showItem', item);
+      return dispatch('showItem', item);
     },
   },
 };