Artifact from the future.

In the future you will buy the things from the internet, and you will have a strange 3-D printer. That printer would do the object you bought and make it in front of you. The photo here is an example because the man bought a basketball and it is making it in front of him. In 2017 you would be able to use this type of shopping. So i think this will be an easier way to do shopping. This is the way we are going to do it in the future.
I am thinking in a very interesting artifact that is a bogey board with a air motor. So that way you can humongous waves. If you are getting in trouble you just press gas and go. And if you want you can but a radar for three things: to see if big waves are coming, if there are sharks around and if is no save, because the rocks are to in the surface. This will help many people. It will be to easy to learn how to use it. Less people are going to die in the big waves, sharks or rocks. One good detail is that you will get out of the currents easier. This artifact will be very important for surfers and the lifeguard will used it too.