The average person these days likely has many tens if not hundreds of username / password combos that are saved by (and even created by) Chrome or Safari. If you use both browsers you probably want Safari to be able to use the login info that you have stored in Chrome and vice-versa, because it can become a nuisance when you are trying to log into a service on Safari but you don't know the login because you originally created it with Chrome. Luckily macOS Catalina 10.15.4 (and above) lets you easily import your Chrome passwords to your iCloud KeyChain. Here's how to do it:

Anybody who day trades cryptocurrencies or stocks knows that there are all kinds of indicators that one can watch in order to make hopefully sound trading decisions. Obviously one of these is simply the price. You might want to buy Bitcoin when it drops to a certain price, but unless you are glued to your computer screen all day long watching the charts, you are going to need an alert.