Ask HN: Who can compete with Apple and Alphabet?

These companies are involved in just about everything.

They have their own:

- smartphones - laptops - wearables - smart TVs - payment system - operating systems - programming languages - AI frameworks - database engine - personal assistant - smart speakers - car infotainment system - music/movie/book purchase/streaming - messaging apps - video calling apps - browser - maps - chips - emojis - typefaces - design language - AR/VR platform - self driving cars - productivity software

What other companies can compete with them? Do they have a chance? How big is the moat?