www.twitter.com
The purpose of the specified tool is to interact and collaborate online in a social media setting. The user can make a profile and follow other profiles that "tweet" about current events, phrases, or simply what they are up to
This can be used in the classroom as a 2.0 tool, as Twitter makes an accessible and convenient way to communicate with students, as well a live tweet can be set up with a set "hashtag" that can serve as an online discussion
It may break down many different barriers that arose in the classroom, such as making it easy to collaborate with students outside of the classroom, as well as connecting with other people around the globe.
There is no known age minimum
