Watch more Tech Minute: http://bit.ly/1eJt6zN
Want to pay with your phone? Here's a quick introduction to Apple Pay, Android Pay and Samsung Pay which are mobile payment systems you can use now.

Subscribe to CNET: http://bit.ly/17qqqCs
Watch more CNET videos: http://www.cnet.com/video
Follow CNET on Twitter: http://twitter.com/CNET
Follow CNET on Facebook: http://www.facebook.com/cnet