Image imported from derpibooru
Original Description:

BFDI and BFDIA: A unicorn pony with a knack for technology and innovation. Her coat could be a taupe gray color, resembling a remote control. Her mane and tail could be silver chalice to resemble wires or antennae. Her cutie mark might feature a remote control
IDFB, BFB and TPOT: A practical unicorn pony with a talent for technology and innovation. Her coat could be a night rider color, resembling a remote control. Her mane and tail could be dim gray and disco to resemble wires or circuitry.