There are several other patents that are held by companies that could affect how others do business on the Internet:
CyberGold - owns a patent that covers rewarding people for paying attention to ads online
Open Market - owns a patent that covers the technology and ideas used in shopping carts. This is an interesting one because virtually everyone who sells on the Internet has a form of shopping cart.
Priceline.com - owned a patent that covers the ability of consumers to name their own price. They have already sued Microsoft for trying to do the same thing on their Expedia site.
Sightsound.com - owns a patent that covers the downloading of music.
As some companies have already done, if they find another company using an idea or technology that they have patented, they can and will sue.
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MS patentirao video on demand?
