Do you run AdWords Ads without keywords?

[abbottsys]

What I mean by this is running campaigns on the Content Network but with a totally blank keyword set. So, the campaign has absolutely no keywords.

I'm running a test, but I'm interested in what others have discovered.

[AussieWebmaster]

lol.... so you are taking run of site? run of network? if this is a brand new account then they have no history... expecting them to optimze it as it goes along and eventually is show great converting ads?