LinkedIn: Tear Down This Wall

LinkedIn: Tear Down This Wall: "Apple has an open developer's platform for the iPhone, of course. Facebook has a developer's platform for writing apps, as well. Ditto for Twitter, Google Android, Blackberry, and Salesforce.com. LinkedIn finally gets it. Mind you, fifty million users are nothing to sneeze at (unless you are Facebok with 300 million users - Meow!). LinkedIn, as promised, has opened