The Supreme Court is considering whether a North Carolina law barring convicted sex offenders
from social media sites (after they have completed their sentences and any probation) is constitutional. The law would bar use of any social media site that allows minors access.
The Verge has a typical story here.
The law might be overbroad, preventing use of news sites like the New York Times, that have a social networking component.
Bloomberg had a report on the oral arguments here.