Keep in mind when the original tech bubble burst in 1999 people were still on rotary phones. The general impression was that the internet was a fad, that it was never going to be fast enough to be useful. This was before broadband, people assumed they been duped and the crummy dialup was the internet. They had sunk huge money into badly run businesses like Pets.com. Today the only thing that could destroy the internet as a business platform could be the ending of net neutraliity. If we see the internet seriously injured as a platform we then could see an unravelling that would be worse than 2000. Most of the native apps also rely on the internet to function to do what they do, snapchat for example cannot work offline at all. If the internet is sufficiently damaged by the Trump administration you could see a huge unravelling of value for businesses across the economy.