It's interesting to see that under CEO founder Jerry Chang, Yahoo is using open source to gain an advantage over rival Google. While it's too early to say whether Yahoo's use of open source will have impact, it does appear to be part of their strategic thrust to be more competitive. Consider the following: -Yahoo is using the open source Hadoop framework as a way to compete with Google's BigTable system which is It’s interesting to see that under CEO founder Jerry Chang, Yahoo is using open source to gain an advantage over rival Google. While it’s too early to say whether Yahoo’s use of open source will have impact, it does appear to be part of their strategic thrust to be more competitive. Consider the following:-Yahoo is using the open source Hadoop framework as a way to compete with Google’s BigTable system which is closed source and only available within Google.-Yahoo just acquired Zimbra, the open source email system built by former OpenWave and BEA hotshots. Zimbra is open source and built on MySQL. (It’s also the coolest email / collaboration system I have seen in ages, with a great web interface, exchange compatibility and more.) They’ve powered huge installations with millions of mailboxes and scaled seemlessly. I think both of these are interesting developments. Is open source scalability part of a pattern here for web 2.0? Tim O’Reilly thinks open source developers should be paying more attention to Web 2.0. Looks like Yahoo certainly is. Open Source