The app, which is loaded on his , combines location information with Twitter and Facebook networks, creating an opportunity for making connections. "It will be able to tell us who is in the museum right now," Peltzman said.

Some might see this capability as potentially creepy, and Peltzman is aware of . But he sees a way to make it work, as well as a need to use the kinds of capabilities Sonar and others will offer.

Participating in social media is critical, Peltzman said. "If you want to be a business leader today, you have to be on it," he said.

Peltzman meets regularly with social media developers, investors and authors to get a sense of future trends for social networking.

Frank Gillett, an analyst at Forrester, is also focused on the future and is forecasting some of the changes in hardware over the next five years. Both he and Peltzman made presentations at Forrester's IT Forum here.