Absolutely nothing. Very rarely, something.

.ogg, absurdism, acceptance, anti-capitalism, anti-classism/racism/sexism, archetypes, art, atheism, australia, autonomous zones, batman, being synthetic, better living through chemistry, big cities, books, caffeine, cats, chemistry, cleaning, coffee shops, communism, computer science, crazy cat ladies, creativity, crime dramas, criminal justice, cutting my own hair, cyberpunk, dc comics, deadliest catch, deadliest catch slash, decadence, dirty jobs, dream interpretation, e=mc^2, eclectic music collections, electroluminescence, emacs, email, enlightenment, epiphanies, escapism, essays, etymological escapades, existentialism, exploring libraries, exuberance, fandom, fanfiction, fangirling, forbidden romances, fractals, free software, friedrich nietzsche, frock coats, frocks, generation y, generosity, global warming, gnu, gnu/linux, goldeneye, google bombs, grand theft auto, harry potter, hating fundamentalists, hating s.u.v.s, hating suburbia, heinz tomato soup, ice cream, icons, imagination, inappropriate laughter, insanity, inspiration, kaleidoscopes, kindness, labour history, latex, law & order, lisp, logic, lsd, lycra, make up, male affection, marxism, mathematics, midnight conversations, modernity, my name on envelopes, mythology, ncis, neon lights, notebooks, nuclear testing, order, overpopulation, peak oil, people watching, philosophy, physics, podfic, post-modernism, projecting and receiving, psychoactives, rainbows, reading, requited love, research, revelations, roh, romance, rss, satellites, science, scrapbooks, serotonin, shimmer, shipping, shoes, slash, sleeping, stare downs, stationery, tarot, television, tex, the major arcana, the minor arcana, the ultimate fighter, the usual suspects, tna, top gear, transfeminism, tv, ubuntu, unix, used books, vhemt, vignettes, visible-spectrum light, world literature, wrestling, wwe, x-files, yellow, yellow stockings,