By using the Canon Hacker’s Development Kit (CHDK) you can turn your point-and-shoot into a super camera.
Read the wiki to know more about CHDK: http://chdk.wikia.com/wiki/CHDK_Wiki:About
and the list of supported cameras: http://chdk.wikia.com/wiki/FAQ#Q._What_camera_models_are_supported_by_the_CHDK_program.3F
from: http://lifehacker.com/387380/turn-your-point+and+shoot-into-a-super+camera
