An image doing the rounds on the net. Someone (X) is using this to explain something (Y). Solve for X and Y.

Cracked by everyone.

Logik, SV, jowens, Dibyo, byslexia, Rogi, Raghuvansh, Bharath, Atul Mathew, krudebox, Vinay Nair Karath, Manish Achuth, udupendra, raklodramA, Jean Valjean, Vishnu, shrik, Thejas V R, lanu, Shwetha Maiya, dineshk, justajester, rohanquizzer, Anonymous, Sumanth Patlolla, Ananth, Bheema V, username, Gurupad, v.chandrashekar, Niranjan G, Qbrain, Xanda and Rahul Rajeev