Whether that's creating new Alexa capabilities with the Alexa Skills Kit (ASK), building devices that use Alexa for new and novel voice experiences using the Alexa Voice Service (AVS), or something else entirely, if you have a visionary idea, we'd love to talk to you.
The definition of 'proximity' is 'the state of being near, next, or close'. 'Distance' or 'remoteness' are antonyms of 'proximity'. Using 'close', while redundant, is reinforcing the rarer word. Just because people do it often doesn't mean it makes sense; those people 'could care less'.
When the lens is focused at this distance, all objects at distances from half of the hyperfocal distance out to infinity will be acceptably sharp. Definition 2: The hyperfocal distance is the distance beyond which all objects are acceptably sharp, for a lens focused at infinity. The distinction between the two meanings is rarely made, since they have almost identical values.