He's photogenic and good with media. Look at his twitter profile - he obviously spent a lot of time and thought on that picture, and it makes him look like a kid from the movie Hackers - that's not accidental.
How did you jump from that to Communism? I though the meaning was pretty clear: People will be more critical regarding social networks. Meaning they will more carefully assess the merits and flaws of Social Networks, instead of just assuming they're good and fun with no real drawbacks.