Apple investor Warren Buffet finally upgraded to an iPhone
89-years old business magnate and billionaire Warren Buffet has finally upgraded from his Samsung Haven flip to an iPhone 11. He is using his iPhone 11 strictly to make calls only. Apple CEO Tim Cook was trying to make Buffet use an iPhone for the last few years and looks like his efforts have been successful. Buffet has entered the smartphone era. He also uses an iPad to conduct research and check stock prices.