10 Things In Tech You Need To Know

From   Silicon Alley Insider

Here's what you need to know:

• Why Apple's stock is tanking.
  
• Dropbox has a very serious security fail.
  
• Foursquare hits 10 million.
  
• For the first time, people are spending more time in mobile apps than on the web.
  
• The developer stampede away from the BlackBerry begins.
  
• Facebook employees rush to sell their stock.
  
• Flickr founder Caterina Fake has a new, stealthy startup.
  
• What really happened when Skype fired a bunch of top execs.
  
• Virtual currency Bitcoin is in trouble.
  
• BONUS: Jeff Bezos's amazing 10,000 year clock.