Love open source, free software, stackoverflow and any concept which allows people to share knowledge and information.
Convicted Plonista since 2007, as it shows to be continuously the most secure open source CMS, which is probably also due to the fact that no PHP is involved and the object-orientated data-management (Python rules!), besides of the genious work of the ZOPE/Plone-founders.
Q&A for professional and enthusiast programmers
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Q&A for Ubuntu users and developers
Q&A for system and network administrators
Q&A for linguists, etymologists, and serious English language enthusiasts
Q&A for those involved in the field of teaching mathematics