That 64.5 percent share is actually a big step down for the company which had a 74.4 share of 2009's market.  That ten percent was picked up by Microsoft and Sony, who have found some success in video rentals on their videogame systems.

Vudu and Amazon aren't a big threat yet, but they're on the rise.  With Walmart behind it, Vudu could easily be a huge threat in the marketplace.

These statistics do not include online streaming services that offer subscription models like Hulu and Netflix.