Are you a Twitter user? (Follow me here) Do you like trivia? If so, follow @NameCheap and you can win a free domain registration! NameCheap, a web hosting and domain registration service, is holding a holiday Twitter Trivia Contest from December 1 – 25. Every hour, on the hour, they twit a holiday-themed trivia question and if you’re one of the first three to twit back with the correct answer, you win a free domain! As Mashable notes, not only is this a fun way to utilize Twitter, it is also a “genius” marketing plan: It gets tons of people to follow NameCheap on Twitter  It will generate brand exposure as people answer questions with Tweets containing @namecheap  It will acquire customers, as you’ll need to sign up for...