Are there iPhone or iPad (or similar) apps out there with customizable model releases and other contracts of use to photographers? Perhaps something with some intelligence that might know where you are so offer suggestions (ie: national parks, countries with restrictive public privacy laws, etc.)? Perhaps even with invoicing, or even (dare I ask) payment processing?
If such a think exists, is signing by drawing with a finger legally binding?
If such a think exists, is signing by drawing with a finger legally binding?