Y! Server Software: 1999-2000
FreeBSD 4.1
a few Solaris boxes (Mail, Geo)
Apache 1.3.x
yScript2 pages
like yScript1, but more powerful
interactive forms
business logic in C++
mod_python (Maps, YP)
UDB goes client/server
yRPC homegrown RPC
Yahoo! Mail
Yahoo!GeoCities
Yahoo! Shopping