Four stalwarts of online services and networking are positioned to take over Twitter. In the article, IPG Emerging Media Lab argues that these companies, already playing essential roles in our networked lives, are arming themselves with new tech and lessons applied from everything that propelled Twitter’s popularity. The only new player among the four named by the firm is Foursquare, a well-funded location-based networking service going after the growing mobile networking trend.

Read their analysis at iMedia Connection.