This is made more difficult by the almost complete anonymity of the modern laboratory.

Witnesses were brought over from Ireland under armed guard and given complete anonymity.

Now it can be done in minutes, in complete anonymity, through the Internet.

Online application ensures complete anonymity until the winner is announced.

Government officials argue that the only way to persuade people to give information about terrorist activities is to offer the protection of complete anonymity.

We guarantee complete anonymity for all our clients, and one hundred percent satisfaction or your money back.

We cannot hope to maintain complete anonymity very long and didn't really expect to anyway.

So my first point is that complete anonymity is the enemy of business.

Electronic exchanges, on the other hand, match trades in complete anonymity.

Online chat rooms offer people a forum to talk about anything and everything with complete anonymity.