Some parents use cameras, surreptitiously tucked into desk clocks, stuffed animals and houseplants. Others use blogs or affix license plates to their strollers, so passersby can e-mail the plate number to a watchdog Web site if they see any wrongdoing.
In the world of nanny surveillance, technology has evolved in recent years to make it easier for people to to keep an eye on the person who cares for their most precious possessions: their children.
Tuesday’s arrest of a North Woodmere nanny after a camera caught her abusive behavior on tape underscores the popularity of such scrutiny. On Long Island, where more two-parent households are working, the need is growing, experts and parents say.


