While not directed to any article in particular, I love Edutopia as being a site to go to for education news and resources. This page links out to a variety of great articles relating to game-based learning.
When reading the literature review about mobile gaming it got me thinking more about online gaming programs to use in the classroom. I did some digging to find this article about the effectiveness of games in education.
Although it's based out of Taiwan, this study used performance standards created by the International Society for Technology in Education and looks at six subscales for technology integration in the classroom with one of them being an ethical piece. The established scale examines the existing concerns for technology, pedagogy and professional development at once with a new addition of ethical and safety issues, which demand growing attention in teachers of future generation.
Although it's a few years older, I think this article could be a good starting point for reviewing the various uses of technologies in the K-12 setting.