Twitter Unprofitable?

I recently started using twitter and found this article while fishing around there:

http://www.hostnexus.com/blog/twitter-loses-funding-announces-closure/

Basically twitter is a pain in the ass to monetize and they can't find the solution.

Moldova's Twitter Fueled Revolution

Social Networking sites are taking on new roles as people use their lightning quick ability to relay information. Linked below is a Wired article about how it is shaping up in Moldova.

http://blog.wired.com/defense/2009/04/inside-moldovas.html