Twitter may be working to stop companies that partake in the controversial practice of selling higher follower counts, according to one Australian company that claims Twitter is trying to shut it down over allegations of spamming.

On Monday morning, a marketing company called uSocial sent out a press release to say that a brand-management firm hired by Twitter (according to some Australian news outlets, the firm in question is called Melbourne IT, whom we have contacted to confirm but not heard back from yet) had contacted it to express concern over spam messages it was supposedly sending through Twitter.

More: http://news.cnet.com/8301-13577_3-10310818-36.html