Although the key features of Web3 are really not separated and don't fit neatly into neat categories, we've attempted to separate them for clarity. Web3 gives you unprecedented control over your digital assets. Let's pretend you're enjoying a web2 game. When you buy something in-game, it's linked to your account.
These items will be lost if the game's producers cancel your account. Instead, if you discontinue playing the game, the value of your in-game stuff will be lost. Whenever a programmer or corporation releases a free application, the customer experience is frequently highly polished as the app's popularity grows. This is why they were able to get traction so rapidly to begin with.