>Oracle overpaid for Sun for a reason, which was something of a mystery. It now appears that collecting royalties on Java used in non-GPL applications might have been the reason. http://arstechnica.com/tech-policy/news/2010/08/oracle-sues-google-over-use-of-java-in-android-sdk.ars
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>The reason, in case you've not delved into FOSS licenses, is that any application using a component licensed under the GPL main license must itself be licensed under the main GPL license. Otherwise you pay for a commercial license, in this case to finance Larry Ellison's next boat.

Ha! And here I thought Larry had plenty of chump change left after he lost his $400,000,000.00 bid for the Golden State Warriors basketball team in Oakland, CA. Must be the alimony payments to his three previous wives that are sinking his ship...