Facebook CEO "Mark Zuckerberg" & Indian PM "Modi" on Sunday changed their Facebook profile photo ahead of his townhall interaction with PM "Narendra Modi". Showing his support for the Prime Minister's "Digital India" initiative, Zuckerberg wrote in a post on Facebook: "I changed my profile picture to support "Digital India". Looking forward to discussing this with Prime Minister Narendra Modi at Facebook today." PM Narendra Modi also changed his profile picture on the Facebook. "Thanks Mark Zuckerberg for the support. I changed my DP in support of the efforts towards a Digital India," PM Modi wrote in a post on Facebook. Indian Prime Minister Modi is one of the most followed world leaders on Facebook, which has the accounts of 100 million people in India.