up to 11.1.2
up to ch11 'used in this manner to connect two database tables is known as a foreign key'
Test suite is passing. Up to 11.1.3
11.1.4
up to... To create a following relationship, we’ll introduce a follow! utility method
Test suite is passing.
Test suite is passing
Test suite is passing. Up to 11.2 A web interface for following users.
Up to 11.2.2
Test suite is passing, up to Listing 11.27. Adding the follow form and follower stats to the user profile page.
AWESOME comments to explain user.followers and user.followed_users
Up to 11.2
Up to 11.2.3
Test suite passing. Up to 11.2.5 A working follow button with Ajax.
Working on 'only one of the lines gets executed (based on the nature of the request).'  See relationships controller
up to 11.3 The status feed
Up to 11.4 Conclusion.