Saves you cleaning out my kitchen. You never know someone might invent that one day. Sounds far-fetched I know, but all matter is energy they just need to know how to convert it.
Interestingly, I was reading an article some time ago that the transporter (believe it or not) might be a real life future technology because apparently in Austrailia, they have managed to beam a ray of light from one side of a lab to another! So I read anyway.