IBM got into decent trouble for painting these signs on the pavements of a big US city as a part of a marketing campaign.
What is blurred out in the image?

Here is another look at the same ad, but on a less harmful billboard.

Cracked by: madhur , yaksha , nofreebrains , teju , Shreyas , nishansolo , Rohan , jayanth , shenoyvarun86 , Dibyo , Shyam , Vinod P.V , Ganesh Prasad , Nikhil , Tathagata Chatterjee , shivathilak , shivathilak , Sandhip , bobo , uma , varuns88 , sidsen , prasanth , Srikanth , BiGFooT , udupendra , Poornima , Ginkgo100 , Manish and duriel.

madhur, yaksha, nofreebrains, teju, Shreyas, nishansolo, Rohan, jayanth, shenoyvarun86, Dibyo, Shyam, Vinod P.V, Ganesh Prasad, Nikhil, Tathagata Chatterjee, shivathilak, shivathilak, Sandhip, bobo, uma, varuns88, sidsen, prasanth, Srikanth, BiGFooT, udupendra, Poornima, Ginkgo100, Manish and duriel