Heavy Internet traffic ahead. Delays possible.
nytimes.com
nytimes.com
Most of this is taken care of by CDN's (Content delivery networks) so this is not as big of deal as its made out to be.
If I understand correctly, the limiting factor that we're up against is the speed of light. Granted, not everyone has fiber-optic connections at home yet, but I'm pretty confident that the telcos will take advantage of the opportunity to upsell customers if and when it becomes necessary.