Part of the Personal computing glossary: A socialbot is a software program that simulates human behavior in automated interactions on social network sites such as Facebook and Twitter. As a rule, socialbots are designed to pass the Turing test: They're sophisticated enough to fool other users and be taken for a human.
Xorg is the default X Window server since Debian 4.0 (etch). It replaces XFree86 and is maintained in Debian by the XStrikeForce.
What is X-Ray Fluorescence (XRF) An X-ray fluorescence (XRF) spectrometer is an x-ray instrument used for routine, relatively non-destructive chemical analyses of rocks, minerals, sediments and fluids. It works on wavelength-dispersive spectroscopic principles that are similar to an electron microprobe (EPMA).