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

1. Microsoft debuts new tablet ‘Surface’ (Lost Remote)

2. Study: 54% of tablet users prefer free, ad-supported apps over paid ones (Advertising Age)

3. Facebook acquires Israeli facial recognition technology (TechCrunch)

4. uses social-media data to tell newsrooms how stories are doing online (Nieman Lab)

5. Startup Codecademy raises $10 million in funding (AllThingsD)