I agree with Larry about abuse by Facebook and Twitter.
I also strongly encourage him to look at state of wikipedia moderations. Specially in a country like India. Lot of pages related to political content is moderated by people who are deeply partisan and have no respect for facts.
I also strongly encourage him to look at state of wikipedia moderations. Specially in a country like India. Lot of pages related to political content is moderated by people who are deeply partisan and have no respect for facts.