Local notes: Check.in, iPad, Google location search

– Brightkite debuts a universal check-in service called Check.in (Mashable)
– WSJ to charge $17.99 a month for iPad subscription? (Engadget)
– Ouch! Newspapers total revenue plunged 27.2 percent in 2009 (PaidContent)
– Facebook hires top Google ad exec to grow advertising business (Inside Facebook)
– Location may play more visible role in Google web search (Venture Beat)