PEW Studio on Digital Differences
I thought this studio is of significance for us Internet Broadcasters.
http://pewinternet.org/~/media//File...ces_041312.pdf

This statistic struck me.

Cell phone activities by race/ethnicity
Watch a video
White non Hispanic 21%
Black non-Hispanic 33%*
Hispanic 39%*
*indicates statistically significant differences compared with whites.

This too also on cell phone

Participate in a video call or video chat
White non Hispanic 4%
Black non-Hispanic 10%*
Hispanic 12%*
*indicates statistically significant differences compared with whites.