like ePals and eChalk, are more restrictive, often allowing teachers and school officials to limit not only who can join, but who students can talk to and interact with. Some educators also say students seem to take these sites more seriously and treat them with a more academic focus and tone than they would a site they routinely use for socialization with their peers. These sites also often provide safety features that can detect foul language or bullying phrases and alert a teacher (Education Week, June 15, 2011)