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US Court Rules Google a Monopoly in 'Biggest Antitrust Case of the 21st Century'.
(www.commondreams.org)
This is a most excellent place for technology news and articles.
My point is people still used that VHSs. They just also bought DVDs. For most people, you didn't only use one. I think most people went through a period where they used both.
You don't need to bring your library. Having your library split between multiple platforms isn't a big deal and most people do it. You just don't give them any more money.
People didn't not buy DVDs because they had a library of VHSs.