Wearable technology is a big business and can be pretty helpful.
From getting the Snapchat effect on your t shirt to translating sign language into speech.
The wearable tech show in London had over 6,000 people showing off new technology you can wear.
Things that may change the way we do things in the future.
Newsround has been looking at some of the new ideas that the designers have come up with.
Here are some of the top gadgets from this year's show.