Positive and negative aspects of using tablets in education

Tablets in education
[Source: http://i.telegraph.co.uk/multimedia/archive/]

This Worldbank blog article lists tablet-based education initiatives from across the world - some positive and some negative. The article discusses the effects of tablets on education.

Current research studies are quite fragmented and it is difficult to conclude if tablets are beneficial for education.

As with any kind of technology for education, the critical issue lies with the implementation. Buying the devices is one thing, but what do you do with them? What kind of support and training do schools, teachers, and students need and receive? Is the support short-term (e.g. a few hours of introduction) or is it long-term? Does the pedagogical approaches align with the technology, and vice-versa?