If social media and social networks are these all-powerful game changers, shouldn’t they eventually make a newsworthy impact on email, the internet’s original “killer app?”

Has the era of the DVD passed? 
Today, the likes of Netflix, Apple, Microsoft, Amazon, Veoh, and Hulu are betting it has.  Instead, they’re throwing their resources into developing a new video source: online streaming movies.
These new media titans may have the right idea, according to recent research by Nielsen that found online streaming video usage almost doubled in the U.S. between 2006 and 2007.  A separate survey conducted by Nielsen in 2007 found that 40% of respondents had streamed some type of video, while just over 10% had downloaded a …