I enjoy travelling approved pharmacy Mr. Holmes said HootSuite is slowly releasing its new Twitter ad-buying tool to enterprise clients, but it's not charging them yet. It's also working with Facebook to get approved as one of its many Ads API partners. To be determined is whether it charges a licensing fee, arranges to take a certain percentage from Facebook or Twitter for buys that exceed a certain amount, or charges a percentage on top of the ad units that marketers buy using its software.