Brian wants to know how he can use tags to stay organized on his email. Leo says that tags are great for searching and it makes it really simple to stay organized. Gmail can tag messages. Mailtags has been around for years and it works great. Leo used it a long time ago and it works in Apple Mail, which can be a challenge because Apple changes Mail with just about every version of macOS. It's also great for photos. Google Photos is great for tagging as well.
Mark has a music start up and he wants to be able to separate the explicit ones from the regular ones. But with thousands of songs, it's not practical to listen to all of them. How can he do it in a batch format? Leo says the metadata would be the key, if the MP3/AAC has an explicit tag in it. There's a program called MP3 Tag. Wikihow.com has an explanation of how to do this.