Tune in at 8am tomorrow morning, February 13th, for a state of the city address from Mayor Kasim Reed. It will be broadcast live on Channel 26, the city of Atlanta’s public television station. Check this page for more information. It does look like you can watch Channel 26 live on your computer here.
Here is a good resource for social media and the city of Atlanta. It has Facebook pages, Twitter addresses and youtube channels for many city organizations.