Facebook was public, growing, had figured out mobile and had already acquired Instagram. It was by far the top social media company.
Amazon had taken over online retail. It was already a behemoth. AWS was in its infancy, but it was growing.
Apple was already the most valuable company in the US.
Microsoft had been one of the top 10 most valuable companies for a decade.
Google was already a behemoth when it came to search. YouTube was massive and Android had just started gaining traction.
Out of the top five companies, Google is the only one that hasn’t been able to pivot or diversify. The rest of the companies have been able to learn from the mistakes of the previous generation.
In the case of Apple and Microsoft. They have both been around for 35+ years. Microsoft wrote the first version of the embedded AppleSoft Basic interpreter for Apple //e’s in 1980.