This week, some 250 Wikipedia user accounts got blocked. The reason? Because the users were accused of sock puppetry. Professor Andrew Lih of American University explains to Marketplace Tech host Ben Johnson what that means.
“I think the best compliment I can give is not to say how much your programs have taught me (a ton), but how much Marketplace has motivated me to go out and teach myself.” – Michael in Arlington, VABEFORE YOU GO