500,000 jobs (ads) a month are posted on Twitter

"Fifteen new jobs are posted to Twitter every single minute, according to a new study by social recruiting company Gozaik, and that that number has grown by 32 percent in just the last six months.
That growth rate, Gozaik cofounder Joe Budzienski says, will make Twitter the “dominant channel” for talent recruitment.recruiting on Twitter
And it’s not just tech.
The biggest category of jobs that companies are recruiting on Twitter for is sales, at almost 25 percent, just edging out IT and other technology jobs. The other big category, surprisingly, is medical/dental, which accounts for almost 15 percent of all jobs posted on Twitter, Gozaik says, with jobs like anesthesiologist, orthodontist, and medical director."

Source:  VentureBeat, 5th November 2013