Happy New Year!
(I'm not up on popular culture enough to pay attention to only new things so this stuff isn't strictly from 2009 or the decade, just found by me therein...)
Favorite books in 2009: The Blind Watchmaker by Richard Dawkins, Desert Solitaire by Edward Abbey, A Sand County Almanac by Aldo Leopold, A Happy Marriage by Rafael Yglesias, Memories of My Melancholy Whores by Gabriel Garcia Marquez, A Room of One’s Own by Virginia Woolf, Pride and Prejudice by Jane Austen.
... and in the 2000s: Zen and the Art of Motorcycle Maintenance, by Robert Pirsig, and Gödel, Escher, Bach: An Eternal Golden Braid, by Douglas Hofstadter.
Favorite movies in 2009: A Serious Man, and Fast Cheap and Out of Control
... and in the 2000s: Amelie, and Waking Life
Favorite music in 2009: Punch Brothers, Gillian Welch and David Rawlings, Greg Brown, Derek Trucks, the Bowmans, Lucinda Williams
... and in the 2000s: Gillian Welch and David Rawlings, Tegan and Sara, Simon and Garfunkel, Third Eye Blind, and Brahms
Favorite TV show in 2009: Modern Family
... and in the 2000s: Friends and West Wing
Favorite hobbies in 2009: bluegrass music and natural hot springs
... and in the 2000s: amateur astronomy, motorcycling, camping, programming, math, and taking care of cats
Favorite economic theories in 2009: prospect theory, quantal response equilibrium, and probabilistic voting
... and in the 2000s: everything and only things micro
Favorite math subjects in 2009: Um I haven't exactly learned much math lately but have to include this for the decade category...
... and in the 2000s: Galois theory, algebraic topology, and all things combinatorics
Most exhilarating experience in 2009: seeing the Punch Brothers live at Night Grass at Telluride Bluegrass Festival
... and in the 2000s: bungee jumping, and all those startling near-death motorcycle incidents that I would prefer to avoid but sure are exhilarating in the strict sense of the word
Favorite place in 2009: Telluride, CO, and Great Sand Dunes National Park
... and in the 2000s: New York City (esp. Central Park), and the inner Grand Canyon
Favorite software in 2009: TeXShop (Stata is decidedly OFF the list despite the fact I'm forced to use it more than anything else. Take your stupid one-at-a-time rectangular data spaces and give me R any day.)
... and in the 2000s: R, Excel (yes believe it folks, Excel pre-2007 is unbelievably awesome when exploited in the right ways), Picasa
Favorite innovation in 2009: NFL game rewind online, ultra-cheap external hard drives, red bull
... and in the 2000s: wireless internet, the obsolescence of the traditional audible use of telephones, motorcycles, diet coke/diet mountain dew/red bull, google scholar/search/mail/earth/picasa/books...