UMD is Dead?

Not yet, but it sure is on the way. NextGen is carrying a story that Wal-Mart is going to stop carrying UMD movies and many Hollywood studios are going to discontinue producing movies on UMD due to a downward trend in sales. Has Sony ever made a format that caught on?

Source: NextGen.biz
http://www.snackbar-games.com/n1677.html