India, Aug. 9 -- Barron Trump, Donald Trump's youngest son, found a different way to keep in touch with his new college friends. The interesting part? He doesn't even have to share his phone number.

The 19-year-old recently began studying at New York University's Stern School of Business. Constantly flanked by Secret Service agents for security, Barron's movements on campus are too discreet. TMZ reported he's rarely seen lingering in hallways or chatting between classes.

So to connect with classmates online, he uses Discord, a chat app popular among gamers, which allows for messaging and video chats.

"He has added it to his repertoire. It's his communication platform of choice," one source told Page Six.

The source then added that a n...