Vicente J. Fernandez is the co-founder and chief content officer of SportsManias. Below, he writes about his vision for the SportsManias Digital Media Summit, which is sponsored by Knight Foundation. The summit will be live-streamed Friday, Aug. 21, from 9 a.m. to 5 p.m. EDT. Watch at knightfoundation.org/live.  Not so many years ago, diehard sports fans waited […]