by +Jesse Noyes, +Eloqua #b2b #instagram #facebook #marketing #marketer #brand #gpluslws #googleplus #gplus #contest #followers "$1 billion. That’s how much social networking giant, Facebook, is paying out for the photo-sharing service Instagram. Not bad for a company without revenue. But who uses Instagram? Teenagers and nostalgia-starved hipsters, right? Believe it or not, at more than […]