Obviously it's an April Fool's joke. The whole article was "ZOMG, GET OUR SOFTWARE OR YOUR COMPUTER IS GOING TO BE INFECTED!!111ONEONE!!11ONE!"
^ woudlnt be so sure shook
you could have been infected, because a conficker will bury itself inside windows files, and then delete the original virus, so you cant find it, so just cause you cant find it now, doesnt mean you dont have it, i know i do cause i got it in march, and couldnt be bothered to delete it, now its gone :S
also, the trigger is programmed to start at 0:00 2/4/09 (gmt - 6) so there wont have been a reaction yet