Daylight Savings Time: Why do we have it? Do we still need it?

I don’t like daylight savings time, I think it’s dumb. But part of the reason why we use it, actually makes sense; it was introduced to save energy, encourage people to get more sunlight rather than use coal or electricity.  But is that the case now? Not really. Check out CGP Grey‘s video:

Remember, we fall back an hour at 2am tonight!