Apple CEO Tim Cook is on a two-day visit to Vietnam. While the famed executive definitely will be in the Southeast Asian capital to talk business, he did not miss out on having fun either. Cook tweeted a picture of him enjoying his downtime in Hanoi with musicians My Linh and My Anh. He said in the post, “I loved the egg coffee!” Cook’s Egg Coffee: Vietnamese egg coffee, or cà phê trứng as it is called locally, combines strong dark coffee with sweetened condensed milk and airy whipped egg yolks. The result is a tiramisu-liked goodness that makes this an amazing beverage to try in this part of …