Twitter: Free
http://twitter.com/
"Twitter is a real-time information network that connects you to the latest information about what you find interesting. Simply find the public streams you find most compelling and follow the conversations."
paper.li: Free
http://paper.li/
"organizes links shared on Twitter and Facebook into an easy to read newspaper-style format. A great way to discover content that matters to you - even if you are not connected 24/7!"
Twitter is beginning to find its place in our libraries and classrooms. Ways you can use Twitter include:
Keep the discussion going!
#alaowebtools