Sophia Hollander & Melanie Grayce West:

Some New York City children take after-school classes in dance, pottery or softball. Once a week, Gillian and Hunter Randall add an unusual activity to the list: lessons on how to shake hands.
It’s a class taught by SocialSklz:-), a company founded in 2009 to address deteriorating social skills in the age of iPhones, Twitter and Facebook friends.
“It’s hard to have a real conversation anymore. And you know what? I’m guilty of it too,” said the Randalls’ mother, Lisa LaBarbera, noting that her 10-year-old daughter and 8-year-old son both have iPod touches and handheld videogame devices. “You get carpal tunnel, but you’re not building those communication