Systems, devices, and methods for a wearable electronic device having a selfie camera

A wearable electronic device wearable on a first finger of a user, the wearable electronic device comprising:

• a body defining an aperture therethrough, the aperture to receive the first finger of the user;
• a processor housed in the body;
• an input device carried by an outer surface of the body and communicatively coupled to the processor, the input device to receive an input from a second finger of the user;
• an optical sensor carried by the outer surface of the body and communicatively coupled to the processor, the optical sensor to capture an image in response to the input from the second finger of the user;
• and
• a transmitter communicatively coupled to the processor, the transmitter to transmit the image to an external electronic device, wherein the body comprises a platform having a presentation surface to present the input device and the optical sensor to the user, wherein both the input device and the optical sensor are carried by the presentation surface of the platform, and wherein the presentation surface comprises an edge that separates the presentation surface into an upper presentation portion and a lower presentation portion.