According to a recent study from twilert shows that 57 percent of companies use Twitter for their business purposes, companies that use Twitter generate 2 times more leads every month than those that do not. 8 out of 10 business think that social media can harm a businesses' reputation, if not used properly. Check out this visual for some stunning statistics that show the impact of Twitter, how twitter affects purchasing decision, what are the biggest challenge for corporate media involvement? Why brands spend time on Twitter monitoring? The who, what, when and why of Twitter? And what do people use Twitter for?