Tight security, Bolllywood beats and protests set the scene for Indian Prime Minister Narrendra Modi's visit to the Facebook headquarters in Menlo Park Sunday. Modi, who received a rockstar welcome by the Indian community when he landed in Silicon Valley Saturday is in California to meet with tech leaders to talk about his vision for a digital India. An avid social media user, he has more than 14 million followers on Twitter and urged people to send him questions for the town hall on Facebook. "We received more than 40,000 comments for this town gall, that's pretty incredible," Zuckerberg said...