Fellow person with a connection to the Internet.
I used to create long, informative bios for every site that I registered on. Then one day I realized I could just get my own domain and use that instead, and thus...
Q&A for computer enthusiasts and power users
Q&A for enthusiasts and power users of the Android operating system
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Q&A for Ubuntu users and developers
Q&A for people studying math at any level and professionals in related fields
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Q&A for professional and enthusiast programmers
Q&A for system and network administrators
Q&A for passionate videogamers on all platforms
Q&A for Information security professionals
Q&A for linguists, etymologists, and serious English language enthusiasts
Q&A for users and developers of hardware and software for Raspberry Pi