https://support.google.com/mail/bin/answer.py?hl=en&answer=13287
Gmail POP and SMTP server settings.
https://grepular.com/Abusing_HTTP_Status_Codes_to_Expose_Private_Information
A clever pseudo-hack that allows a web site to determine if I'm logged into facebook / gmail / digg / possibly other sites based on various urls which are only accessible to logged in users. Obviously smashed by noscript... :-)
http://matthew.mceachen.us/blog/automatic-disposable-email-addresses-for-google-apps-611.html
How to create "minus addresses" on Google Apps. It involves creating a catch-all and creating filters that forward the messages to the appropriate account. Clever workaround.
http://www.gabrielweinberg.com/blog/2011/03/imddggg-duckduckgo-chat-bot.html
Very interesting article including good links and background info on how to create an XMPP bot. Virtually no use to me right now, but one to file away... :-)
http://www.fastcompany.com/scalability
Robert Scoble hosts a webinar session on avoiding the fail whale at scale. Includes the guy who built Gmail and now Friendfeed, Technorati and iLike.
http://www.google.com/a/help/intl/en/index.html
Google Apps is the hosted mail / docs / etc product from Google. It comes in Free or Premier ($50/year/user).
http://zoho.com/
Zoho is an online office suite, similar to Google Apps. It includes a hosted mail product.