Build answerbag.com, livestrong.com, automd.com. Current project is splitmytab.com. 10 years with MySQL, Linux, and PHP. About 2 years with Python.
Q&A for professional system and network administrators
Q&A for professional and enthusiast programmers
Q&A for computer enthusiasts and power users
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Q&A for professional programmers interested in conceptual questions about software development
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Q&A for database professionals who wish to improve their database skills and learn from others in the community