What functions will the following API call perform?

http://twitter.com/friendships/create/karl.json?follow=true

It will send a request for the authenticating user to follow karl.

It will enable notifications in addition to becoming friend.

It will add karl. to the favorite list in addition to becoming friend.

It will give access to karl to view direct messages in addition to becoming fri

Answer:
It will send a request for the authenticating user to follow karl.

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What functions will the following API call perform?http://twitter.com/friendships/create/karl.json?follow=true