daverivera

 import React from 'react'
 import { render } from 'react-dom'
-import { createStore } from 'redux'
+import { createStore, applyMiddleware } from 'redux'
 import { Provider } from 'react-redux'
 import App from './components/App'
 import reducer from './reducers'
 import 'todomvc-app-css/index.css'

+import { createStateSyncMiddleware, initStateWithPrevTab } from 'redux-state-sync'

daverivera

 import { combineReducers } from 'redux'
 import todos from './todos'
 import visibilityFilter from './visibilityFilter'

+import { withReduxStateSync } from 'redux-state-sync'

 const rootReducer = combineReducers({
   todos,
   visibilityFilter
 })

daverivera

 import { combineReducers } from 'redux'
 import todos from './todos'
 import visibilityFilter from './visibilityFilter'

+import { persistentReducer } from 'redux-pouchdb'

 const rootReducer = combineReducers({
   todos,
   visibilityFilter
 })

daverivera

 import React from 'react'
 import { render } from 'react-dom'
-import { createStore } from 'redux'
+import { createStore, compose } from 'redux'
 import { Provider } from 'react-redux'
 import App from './components/App'
 import reducer from './reducers'
 import 'todomvc-app-css/index.css'

+import PouchDB from 'pouchdb'