Techmeme

Yahoo Japan suspects 22 million user IDs leaked: Kyodo (Neha Alawadhi/Reuters)

Canada's Competition Bureau plans investigation into Google Canada (Matt Hartley/Financial Post)

MacBook Air inventory begins dwindling ahead of Apple's WWDC (Neil Hughes/AppleInsider)

Google Play In-App Purchase Revenue Growth Jumps 7X In One Year, Subscription Revenue Growing 2X Each Quarter (Darrell Etherington/TechCrunch)

Amtrak Upgrades Wi-Fi Service on Trains (Ron Nixon/New York Times)

Yahoo Board to Meet Sunday to Consider $1.1 Billion, All-Cash Deal to Acquire Tumblr (AllThingsD)

Facebook's Growth Since IPO In 12 Big Numbers (Josh Constine/TechCrunch)

Yahoo's Mayer Said to Be Preparing Updates for Flickr Photo Site (Douglas MacMillan/Bloomberg)

DirecTV Consider Bid for Hulu (Shalini Ramachandran/Wall Street Journal)

Apple removes Bang With Friends from App Store (Jennifer Van Grove/CNET)

T-Mobile drops anti-net neutrality lawsuit filed by MetroPCS, leaving Verizon on its own (Adi Robertson/The Verge)

Apple's lax iTunes streaming security gives out a free copy of Daft Punk's Random Access Memories (Jordan Kahn/9to5Mac)

Tumblr In Talks With Yahoo; Facebook And Microsoft Also Said To Be Circling (Jeff Bercovici/Forbes)

Developer-signed Mac spyware found on Angolan activist's computer (Lucian Constantin/Macworld)

Big Data Analytics Specialist Tableau Software Raises $254M In IPO, Shares Close 64% Up; Marketo's First Day Up 78% (Ingrid Lunden/TechCrunch)

Microsoft planning Xbox dashboard UI and tile changes in preparation for next-gen console (Tom Warren/The Verge)