Some schools, looking to cut costs, are intrigued by so-called robo-readers, computer programs that grade students' writing and offer feedback. Some teachers find the programs helpful in the classroom, but skeptics say they're not always the best judge of writing ability.
A new Internet protocol system launched Wednesday, adding trillions upon trillions of new Internet addresses that can now connect almost everything you own to the Web. Here's what you need to know about all that extra digital real estate.
Everyone is prone to make gaffes on Twitter, including angry statements made in the "tweet" of the moment. But a new project aims to keep an eye on politicians who try to delete those gaffes. The Sunlight Foundation is following and archiving the tweets of hundreds of politicians. Host Michel Martin speaks with the Sunlight Foundation's Tom Lee.
A report in the Wall Street Journal says Apple may soon replace Google's popular Maps app as the iPhone default with its own mapping application. The move has broad implications for the multibillion-dollar smartphone market.
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