In Groupon’s $6 Billion Wake, a Wave of Start-Ups Follows Suit - NYTimes.com

In Groupon’s $6 Billion Wake, a Wave of Start-Ups Follows Suit - NYTimes.com: "RISE ABOVE THE FRAY Why jump into the gold rush when you can sell picks and shovels to the prospectors? Groupon imitators have created a system with plenty of secondary markets. Lifesta, a site that had its debut in July, lets remorseful buyers resell unused deal vouchers, charging 99 cents apiece in addition to 8 percent of the sale price. Agriya, a Web developer in Chennai, India, builds and sells Groupon clone sites for aspiring deal-mongers. Tickets for the first-ever industrywide conference, the Daily Deal Summit, are on sale for $495 a person."