According to this list of the top ten philosophical issues of the 21st century, one of them is:
6. Information and misinformation in the information age.
The 21st century threatens to wreak havoc on the social organization of information and knowledge. We are awash in a glut of information coming at us from all sources — some reliable, some unreliable. But the old top-down authorities that once functioned to certify some information as true and other information as false, are quickly being dismantled. How can we distinguish the good from the bad, the wheat from the chaff? We philosophers for a new century thus face epistemological problems hardly imagined by our predecessors.