Lots of UK numbers in this, but it’s worth a look for Americans as well. I know from daily use that journos are using Twitter more and more. I find they are using the micro-blogging platform for initial contact and lead generation and less so for continual secondary contact. Maybe that’s just the ones that I’m in contact with, but that’s what I see happening right now.
Doesn’t mean it will stay that way. Check this Bat Channel for details.