Russians love Putin's dustup with the West. But they've stopped spending money
Why rival discounters are vying for control of Family Dollar Stores
Twitter's head of product, Daniel Graf, must make the service more user-friendly without offending hard-core fans
Yale's Robert Shiller is sending up warning flares. It may be best to ignore him
To minimize flood chaos, turn the hospital upside down
Bayer is marketing Berocca as performance drink, but Australians know what it's really for
After years of effort, top B-schools still enroll only about 40 percent female MBAs
Advice for a small bed-and-breakfast trying to get on the map for international tourists
By Douglas MacMillan
As consumer spending sags, pinched retailers are being forced to trim staff, squelch marketing, close stores, and lure shoppers with big markdowns.
But many retail outlets are ramping up spending in one area: technologies that track customer behavior and purchasing patterns. In this BusinessWeek slide show, we explore seven data-gathering gadgets that could be watching you on your next trip to the grocery.