Marsha Collier made her mark as the top-selling author on eBay. Her books, including eBay For Dummies, Starting an eBay Business For Dummies, and eBay Business All-in-One For Dummies, combined to sell over a million copies. She's expanded her expertise to cover social media, especially its use as a customer connection tool. Marsha was recently named a NOW Award All-Star by the Twitter-focused 140 Character Conference. One social media insider even called her eBay For Dummies the "first social media book" for its insight on connecting individuals for positive results.