Videos of the week: social TV

Here's this week's collection of videos - all about social TV, in case you didn't visit our site yesterday!

In a show of female power, HBO's Sabrina Caluori and Bravo Digital Media's Lisa Hsia talk to Mashable reporter Christina Warren about the future of television and social TV. 

At Google's I/O 2011 conference, developers Chris Wilson and Daniel Lee talk about building web apps for Google TV. 

And the last one is short and sweet: social media researcher and blogger Dan Zarrella introduces Samsung's latest social TV.