MSNBC is reporting that Netflix has filed the suit in San Francisco in an attempt to shut down Blockbuster's online rental service; citing patent infringements. This ought to have a very interesting outcome...

"That change, introduced by Netflix seven years ago, became so popular that Blockbuster last year stopped charging late fees for tardy rental returns to its video stores. Dallas-based Blockbuster once pocketed hundreds of millions of dollars annually from those late fees."