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

1. Facebook IPO to start trading May 18 (AllFacebook)

2. LinkedIn to buy SlideShare for $119 million in cash and stock (The Next Web)

3. Facebook will add photo filters for all phones (The Next Web)

4. How to make reading e-books as addictive as playing Angry Birds (PaidContent)

5. Google News upgrades, adds Google+ comments (CNET)

6. The Daily launches iPhone app (FishbowlNY)

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