Smart Guides in Photoshop

I just found out about Smart Guides in Photoshop. I know...shocking right? I should have known about this amazing function in Photoshop a long time ago. For those who already knew about Smart Guides..well, good for you. For those who have no idea or whatsoever, I'm gonna enlighten you today..spread the knowledge so that everyone's lives will be so much easier after this..well, at least when