Known as the Virtual Magician, the Swiss-born Marco Tempest has become well-known by posting a number of his PhoneCam Magic tricks on YouTube. These tricks are done with a camera phone and they're all WYSIWYG -- no edits or post-production of any kind is done.
He's been seen a lot in Europe and Japan, and is becoming well-known in the U.S.
You can see all his YouTube videos at http://www.youtube.com/virtualmagician.
You can also find Marco on the web at http://www.newmagic.com and at http://www.virtualmagician.com.
Here is one his PhoneCam tricks that made it onto the Jay Leno show: