“No, I do not. It just doesn’t sound that interesting to me.”

— Kristen Klenow, environmental science, Sonoma, Calif.

“Only in the car when I beep the horn.”

— Matt Knoll-Williams, massage therapist, St. Louis

“I do not. I don't do a whole lot of social networking. ”

— Chip McGinnis, technical sales, Kansas City, Mo.

“No. I don't know what 'tweeting' is. ”

— Argun Saatcioglu, education professor, Ankara, Turkey