If you are happily listening to music on your mac, suddenly, someone wants to chat with you, this time you must press the stop button, and begin to re-play until the end of the chat. Tip for mac users: mac dvd rippers.

Currently, there is a start-up company who launched a new application Flutter which can save your trouble of clicking on the button, you only need to wave the gestures in front of the computer camera, then you can play or stop the music.

This is a free application based on Mac client, once it starts, it will make the camera keep open. Mac tip: flv to mp3 mac. When you listen to music in iTunes or Spotify, you can make the music stop playing just by making a stop gesture within six feet from the camera.

Flutter is currently in closed testing, yet it only supports two gestures, stop and play. It may support more gestures in the future, such as skip to the next.

This is a very innovative idea, when you are very busy for parties at home, suddenly there comes up the phone or you need to stop the playlist, using gestures to manipulate is very useful.

However, it should be noted that you should not use the applications which uses the camera such as Skype when you are using Flutter.