When food stamp recipients swipe their benefit cards on portable credit card readers at the participating farmers' markets, they will receive up to $20 in vouchers — called Boston's Bounty Bucks — by spending $10 worth of food stamps.
The list of Boston-based participating farmers' markets can be found here. (WARNING: PDF file)
Boston Globe article here.
If you think this is a good idea like I do, don't read the comments. The idiots will only piss you off.