The best stories across the web on media and technology, curated by Leandro Oliva.

1. How Election Day will break Twitter (BuzzFeed)

2. Obama campaign pulls out all the stops with smart social campaigns (VentureBeat)

3. As Instagram debuts web profiles, it’s beginning to look a lot like Facebook (AllThingsD)

4. Tumblr grows to 20 billion monthly pageviews, monetizes a fraction (The Verge)

5. Android adoption ramping up 6X faster than iPhone (TechCrunch)