There are a couple of interesting facts in a San Jose Mercury article, Start-ups find new ways to move huge data files over Internet:
The overload problem is growing as more people use broadband to download movies, stream TV broadcasts or share amateur videos on sites like YouTube. San Mateo-based YouTube is moving 200 terabytes a day alone -- more than eBay, the world's largest online auction company, eBay.
And Major League Baseball games are hogging about half of the bandwidth of Akamai, which works with content providers, and says it delivers up to 20% of all Web traffic.
Be interesting to see if World Cup webcasting makes an impact.....