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

1. Pinterest plans to launch three massive products this summer (Business Insider)

2. Yammer agrees to sell to Microsoft for $1.2 billion (WSJ)

3. YouTube contemplates selling subscriptions for certain content (Reuters)

4. Microsoft to enter the tablet market. Does it stand a chance against Apple? (AllThingsD)

5. NBC News teams up with Telemundo to cover the presidential election (Multichannel News)

6. Updated ABC News iPad app changes by time of day (Poynter)