Help your potential matches find common interests.
I have way too many to actually list, so I'll just summarize.
Books: Catch-22, Dubliners, The Count of Monte Cristo, and lots and
lots of nonfiction
Movies: Housebound, Clue, Ghostbusters, Young Frankenstein, the
Blood and Ice Cream trilogy, LOTR
TV: Bob's Burgers, Futurama, BSG, Pushing Daisies, Firefly, Fawlty
Towers, Golden Girls, The IT Crowd, QI, GBBO
Music: Regina Spektor, Arcade Fire, The Decemberists, Sufjan
Stevens, The Tallest Man on Earth, ABBA, The Boy Least Likely To,
Laura Barrett, Fleet Foxes, Broken Bells, Frightened Rabbit,
Florence + The Machine, Adele, The Magnetic Fields, Kings of
Convenience, Trampled by Turtles, Hozier.
Food: Thai, Japanese, Middle Eastern, North African, Cajun/Creole,
pretty much everything. I'll try anything once.