&gt; Biggest Internet companies are in advertising or catalog merchant business that started in late 90&#x27;s or early 2000&#x27;s<p>Not entirely true, they are not just in advertising or catalog merchant business: Uber, Airbnb, Facebook, LinkedIn, Twitter, Priceline.com, Netflix, Palintir, Salesforce, Workday, PayPal<p>LinkedIn for example is a $31 billion market cap business social network, that is still growing its sales 10% quarter over quarter.<p>Google and Amazon, which are the only two examples that stand-out for your reference, are old Internet businesses. Naturally they would be larger than a company founded five years ago.<p>Regarding the early 2000&#x27;s... who would expect a ten year old business to be worth $200 or $300 billion? Since when can you create such large businesses faster than that? Point being, of course the biggest Internet companies come from that time or earlier, they would inherently have to.