In the process of revising my rough draft, I was looking for more sources to cite in my article. I came across a more recent estimate of how much educational software and digital content--excluding hardware--is worth: $7.5 billion. This estimate, mentioned in a report by the Software and Information Industry Association, is astounding. Compared to the $2.2 billion estimate I had been using earlier, based on an article in the NY Times, this new estimate takes the stakes even higher than they were before. I mean, if we're willing to spend $7.5 billion on technology in the hopes that it helps learning, shouldn't we at least check that it's doing what we want it to?
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