Pic shows two of the cofounders of Yelp. But why on earth are they dressed that way? (I.e., what’s this group of people called?)

Cracked by everyone!

Aparna, shrik, Rogi, Ganesh Prasad, Qbrain, Ananth, lanu, username, krudebox, raklodramA, udupendra, Dibyo, Shwetha Maiya, Thejas V R, madhur, Rahul Rajeev, Manish Achuth, dheeraj, Logik, Raghuvansh, Vinay Hegde, dineshk, Rahulk and varuns88