First, he's well over 100K followers. (Pst, you can always follow SFist.) Second, Mayor Gavin Newsom was ecstatic to hear Obama talk about homelessness, which is a serious problem here in San Francisco.

GavinNewsom Very pleased to hear the issue of homelessness discussed tonight durng the Presidential news conference
about 13 hours ago from txt

Finally, Gavin uploaded a new pic. You like?