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

1. Yahoo’s chief product officer resigns amid company layoffs (AllThingsD)

2. Twitter takes on spammers (The Next Web)

3. The Orange County Register will deploy up to 100 staffers to cover Opening Day  (Romenesko)

4. Counting the number of news pay walls may be tricky (Nieman Lab)

5. Why Android is a good thing for Instagram (ReadWriteWeb)

Subscribe to our daily Must Reads email newsletter and get the links in your in-box every weekday!