Disclosed is are a system and a method for accepting user input in the form of movement of an object against a surface of a electronic device. The movement may take the form of natural writing-style stokes that generate corresponding vibrations. The vibrations may be sensed and analyzed to ascertain meaningful user input. In one approach, a method of processing user input with an electronic device includes sensing vibrations generated by movement of an object against a surface of the electronic device and analyzing signals representative of the sensed vibrations to determine a meaningful user input.