[[A NASA spokesperson heads a press conference]]
Spokesperson: NASA has confirmed that the asteroid is headed directly for us.  Yes, a question?

Reporter 1: What role has social media played in this asteroid's orbit?

[[A twinge of anger and resentment builds in the spokesperson]]
Spokesperson: *sigh*

Reporter 2: Has Twitter changed the way we respond to asteroid threats?  
Spokesperson: Well, it's made the press conference questions stupider.
Reporter 3: Fascinating!
Reporter 4: What about Facebook?

{{Title text: The social media reaction to this asteroid announcement has been sharply negative. Care to respond?}}