Silverlight, Microsoft's buggy effort to tackle Adobe's Flash video technology, has another hiccup on the road to mass acceptance. Gotuit, a video-technology startup, has filed suit against Microsoft for patent infringement. Gotuit will be represented by Spencer Hosie, a law firm which has tangled with Team Redmond before and managed to squeeze out a $60 million settlement for Don't even know what Silverlight is? Read the primer so you can bluff your way out of a gaggle of Google employees. []