Anyone that has used Lightroom knows there are a ton of secret handshakes in tips in there. It’s impossible to cover them in one video, and honestly… I still learn new ones all of the time. While we can’t cover them all, I’ll give you a look at 5 (well 7 actually) quick tips that the Alt/Option key helps you get to.
Also, the Alt/Option key is often referred to as the “Make Different” key. You’d be amazed at how many tools that Alt/Option will change or give you different settings for. Once you learn a few of the tips and tricks you’ll even see those same shortcuts work similarly in various programs too.