user- Keep your Twitter stream ticking over with new tweets even when you're not in front of your computer. Or, use it as your personal reminder system.
- ICEC '08: Proceedings of the 10th international conference on Electronic commerce, page 1-10. New York, NY, USA, ACM, (2008)
- , in Proceedings of the International Conference on Weblogs and Social Media Boulder Colorado, March 2007,, page 161-168. (2007)
