https://www.cnet.com/news/nbc-super-bowl-stream-2-million-viewers/

That's 300,000 more online viewers than last year's Super Bowl, ratings company Nielsen said. The growth rate has become typical. The number of viewers watching the Super Bowl streams also grew by about 300,000 for each of the previous two years. 

Sunday's game was viewable for free through PCs, internet-connected TVs, tablets and phones using the NFL and Yahoo Sports websites and mobile apps as part of the league's renewed deal with Verizon. The effort was a test for NBC as it prepares to stream more than 1,800 hours of the 2018 Winter Olympics, which begins Friday.