> They had a ton of spare resources that they only needed once in a while and figured out a way to make use of them. Not actually the case. AWS was a completel

> They had a ton of spare resources that they only needed once in a while and figured out a way to make use of them. Not actually the case. AWS was a completely independent stack (from hardware on up) - we couldn't use it internally for quite some time (years); and even then, only in a limited fashion (e.g. only S3 for some time)