As 2012 comes to a close, we would like to thank our Main Street members for getting involved with public policy that impacts your ability to buy and sell online. Over 22,500 people joined Main Street this year, with thousands more joining us for spirited discussion on Facebook, Twitter and Google+. Read on for a recap of Internet sales tax, ticket resale, and Kirtsaeng vs. Wiley — three issues that dominated the headlines this year.