aspdaddy - 11:57 am on Nov 27, 2010 (gmt 0)
Thats a valid point. Its mostly KS1 & KS2 (Under 11yrs) institutions in the UK but even some HEIs in the UK filter out these sites too. There are ways around it though. There are mashup sites setup specifically to bypass the social network and video content filters used in the education sector and only Palo Alto firewalls detect them at the moment.