9. The computer-implemented method of claim 7 , further comprising obtaining, by the mobile device, an electronic document corresponding to the target object, wherein performing an action comprises presenting the electronic document at the mobile device.
9. The computer-implemented method of claim 7 , further comprising obtaining, by the mobile device, an electronic document corresponding to the target object, wherein performing an action comprises presenting the electronic document at the mobile device. 10. The computer-implemented method of claim 9 , wherein obtaining an electronic document corresponding to the target object comprises: identifying, by the mobile device, text from the image of the target object; and identifying, by the mobile device, the electronic document based on the identified text.