Discord is a communication platform (which is made for gamers) where you can chat with friends and make friends in servers, or private chats. It is very similar to skype (which Microsoft also owns)because it's a communication platform where you can share your screen and use your camera.

Flying taxis are important because they are a new form of transportation that is more clean, cheaper, faster, and possibly a big change to our transportation system in the future, it could possibly change the whole taxi industry.