Canon's turn at launches for the CP+ camera show were headlined by a major rethink of its rugged camera. The PowerShot D20 is dramatically smaller and thinner than the D10 while keeping the durability. It can take water up to 33 feet deep, survive temperatures as cold as 14F or as warm as 104F, and survive drops of up to five feet. Its button layout is designed to be used with gloves on and has presets for underwater (including macros) and snow....