Tweet Tweet! According to AdAge, “For the first time, Twitter will allow advertisers to target users based on things they did off the service, like web browsing, as well as personal information like an email address”. The technology or the concept certainly isn’t new, but a differentiating point between Twitter and Facebook is that Twitter will let you opt out of retargeting while Facebook has yet to offer the option. If you find the Twitter bird following you around town you may want to check your back pocket for web cookies. Cheers!