Elizabeth Olson Nyt News Service

Operating a successful farm is a notion that is thriving in the virtual world. Some 20 million people check into FarmVille daily to plow virtual fields or buy, plant and harvest crops on online farms.Now Zynga Game Network, the social network games creator, is linking FarmVille's vast pool of players to retailers as diverse as 7-Eleven stores and t...

Operating a successful farm is a notion that is thriving in the virtual world. Some 20 million people check into FarmVille daily to plow virtual fields or buy, plant and harvest crops on online farms.Now Zynga Game Network, the social network games creator, is linking FarmVille's vast pool of players to retailers as diverse as 7-Eleven stores and t...