The University of Iowa Libraries is the largest library system in Iowa and 14th in materials expenditures among U.S. public research libraries. The University's Main Library, Hardin Library for the Health Sciences, 5 branch libraries, and the Law Library contain more than 5 million volumes.
Likes are represented by a small heart. They are commonly used to show appreciation for a Tweet. You can see someone’s likes by visiting their profile, and your likes are also visible on your profile.
To like a Tweet:
Make sure you are logged in to Twitter.
Click or tap the heart and it will turn red, confirming that you've liked the Tweet.
You can also like a Tweet from a user's profile page and a Tweet's permalink page.
Note: If you like Tweets by users who have protected their Tweets, the update will not appear in the Likes tab on your profile (unless the viewer is a follower of the Tweet's author).
To undo or remove a like:
Log in to Twitter.
Find the Tweet you liked (the heart will be red).
Click or tap the heart to undo the like.
How do I see what other people have liked?
See what other people have liked by going to their profile:
On the web, go to the profile page of the account and click on the Likes tab at the top of the Tweet timeline.
In the Twitter app(iOS or Android), go to the profile of the account and tap Likes.