Someone has always built what you're building. The only real question is do you know who they are. It's actually a great exercise to find the last founder (or t

Someone has always built what you're building. The only real question is do you know who they are. It's actually a great exercise to find the last founder (or two) who tried to execute your idea and figure out why they failed. Very often it's timing so it will make a lot of sense to try again if you think the world has changed in a way that will make your idea succeed this time.