Here’s an article from the techno-pessimists and a book from the techno-optimists. For a more realist perspective on the social and educational impact of technology, see Academic Gamers.
Competing Views of Technology and Children
December 22, 2004 by Mark Warschauer
Papyrus News 
Here’s a link to a reprint of a Christian Science Monitor article by G. Jeffrey MacDonald reporting on a recently completed study by researchers at the University of Munich working from a sample of 150,000 15-year-old students from 31 countries which appears to show that computer use might not automatically lead to gains in mathematics and reading skills and in fact could be detrimental to such.
http://www.usatoday.com/tech/news/2004-12-06-complicating-things_x.htm