The best stories across the web on media and technology, curated by Lily Leung.

1. Barack Obama’s Record-Setting Speech: 52,757 Tweets Per Minute (TechCrunch)

2. Amazon unveils the new Kindle (AllThingsD)

3. Facebook has closed its purchase of Instagram (Yahoo)

4. A look inside the Journal Register’s Thunderdome (Nieman Lab)

5. USA Today to relaunch its newspaper, website and mobile platforms (Politico)

6. Is the American gamer population shrinking? (NBC News)