Captcha rendered of no use

I was checking yahoo mail and saw a Ad of BigAdda.com and clicked on it by mistake.
I was taken to http://www.bigadda.com/yahoo/y_register.php
It is their registration page and i saw a captcha (word verification). The image had the characters "NXMRX" and i checked the image url -- http://www.bigadda.com/system/wordverification/verify.php?T=NXMRX

It already has the verification word. Any computer bot can now defeat the captcha happily :-D

So all computer bots if you are interested to register on this networking site, go ahead !!