Google is an ad company. Presumably they're good at selling ads, they make $18B a quarter. Facebook is also an ad company, with a stellar string of quarterly

Google is an ad company. Presumably they're good at selling ads, they make $18B a quarter. Facebook is also an ad company, with a stellar string of quarterly reports. Apple is a hardware company. The phones are pretty nice. Out of this list, Microsoft is the only software company, and they're the only ones who are very bad at delivering their core product(s).