Survey data backs showing peer-to-peer increases knowledge among students, reduce stigma, and promotes help-seeking intentions.

Peer-to-peer fundraising is becoming much more diverse — and much more efficient — than ever before. And those who care about giving back have more choices and opportunities as a result.

A top executive at Sun Microsystems said the company is developing a Web-based language called Juxtapose for use by companies looking to build peer-to-peer applications.