In addition, EPA Administrator Jackson and I took questions from students and Facebook participants during a live online chat.

WHITEHOUSE: A Promise of Environmental Justice for All Americans

The area where exhibits are tested and built with an impressive collection of large machinery is situated at the heart of the museum, now completely open so anyone can watch and chat up the staff and students at work.

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The admissions office uses Microsoft's Net Meeting to conduct online chat sessions that let prospective students and their parents ask college administrators questions about admissions, financial aid and housing.

CNN: Florida law school uses wireless technology

Faculty members at those schools have used Course Info to create fairly robust Web sites on which they upload content, manage discussion boards and chat rooms, post announcements and track what students view at the schools' Web sites, Pittinsky said.

CNN: Web brings radical changes to higher education

Empowered uses iMessage, a chat function, to encourage conversations with students and career counselors.

WSJ: UCLA and Start-Up Join Rush for Online Education

In an hourlong chat with Mark Becker, president of Georgia State, Wozniak answered questions submitted by students via Facebook and Twitter.

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