Digital portfolios, audience polling & Q&As, and a comic – Top 3 of the Week

“To do two things at once is to do neither.” It’s a great smackdown of multitasking, isn’t it, often attributed to the Roman writer Publilius Syrus, although you know how these things are, he probably never said it. What I’m interested in, though, is — is it true? I mean, it’s obviously true for emailing at the dinner table or texting…