Recently, the biggest news is that the Android Hulu Plus app supports Chromecast.
The Chromecast is selling very well:
Go On, Guess What Amazon's Top-Selling Gadget Is Right Now – ReadWrite
The big question everyone is asking is when will Google let developers release apps?
This has led to speculation that Google is favoring "Big Copyright":
Chromecast, 2 Months Later: Where Are All The Apps? – ReadWrite
What's Holding Up New Chromecast Apps? Nothing ... But Google, That Is – ReadWrite
Numerous competitors are in progress:
Mozilla developing Chromecast killer with tab mirroring from Firefox for Android
Roku Strikes Back Against The Chromecast Menace – ReadWrite