This article seems to provide some data to what I, and others, have long suspected. Expensive investments in technology don't seem to be worth the cost from an educational perspective. I fully appreciate using an iPad to blog about a social studies topic can really invest students in learning, but nobody ever failed to learn math for lack of a laptop. Most teachers (and most adults) are ill-equipped to use much of the latest technology, let alone teach it or use it to teach. The tens of millions of dollars invested by districts gives leaders something to identity as a change or improvement from the past, but I don't think anyone is substantively better off because of that investment. That money could go a long way toward paying teachers more, recruiting better teachers, or improving one of the many metrics that correlate with student success.
On a somewhat related note, I've learned all current Teach For America corps members are going to get a free iPad from apple. As an alum, I'm kinda bummed I don't get one. Where's the love, Teach For America?!