Despite criticism on Twitter, NBC is claiming that record numbers of viewership far outweighs a vocal minority.

By the numbers:

• 28 million visits to NBC.com since the opening ceremonies
• 64 million total video streams (up 182% from Beijing)
• 45% of the video streams were live
• 1.5 million streams of Tuesday's women's gymnastics final, the largest single event thusfar
• 40% of streams were via tablet or smartphone
• 6 million downloads of NBC's Olympics app
• TV ratings up 10% over 2008
• Average cost of prime-time 30 second spot is $725,000
• The company sold $1 billion in advertising before the games

From the article:

NBC on Thursday offered a first look at some of its newly-mined Olympics usage research, and as has been the case with the prime time TV ratings, the digital stats are trending ahead of the Beijing Games. According to NBC research president Alan Wurtzel, 28 million people have visited NBCOlympics.com since Friday’s opening ceremony, marking an 8 percent increase versus the analogous period four years ago. Thus far NBC has served up 64 million total video streams, which translates to a 182 percent improvement from the first five days of the Beijing Olympics. Per comScore data, 45 p...