It would be efficient for all practical purposes to admit them as a block.

ECONOMIST: Make it ten, set a date | The

In addition to the new TLD, ICM is working with MetaCert to label all XXX sites to make it easier for browsers and plug-ins to block them.

FORBES: Connect

Software filters to block under-age users are unlikely to work, because young geeks will find ways around them and share them with all their friends.

ECONOMIST: Facebook and children: Let the nippers network | The