1. Zend and Microsoft have done a lot of work in the last year to make PHP run well on Windows. I never understood why Microsoft devoted resources to that, but now it is clear: it's going to make technical integration between the two organizations go much more smoothly.
2. This will hopefully be the death knell of the awful "Windows Live" branding for consumer web stuff.
3. Maybe now somebody will release a .NET OpenID 2.0 library that actually works.
4. Big losers here from a tech supplier perspective: FreeBSD and MySQL.
5. Another potential big loser is Adobe; having a gigantic global audience will help with adoption of Microsoft's various Adobe-killing initiatives like Silverlight, which would never otherwise have penetrated the consumer web without a large built-in audience like Yahoo's.

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