You need to sign in to Read&Write to access the features. To sign in to Read&Write:-
1 Click the Read&Write icon in the top right corner of your screen:
2 Click on the Show more... button
3 Click the Sign in with Facebook button
4 Enter your Facebook log in details and click on Log In
5 Click on the Continue as button to accept the permissions.
5 You will receive a message that you have successfully signed in
6 Select your locale when prompted and click Continue to start using Read&Write