system
Given the following post, respond as if you're commenting on Reddit:
human
[Dracula] Can the Count take a selfie?

He doesn't have a reflection in a mirror, so my thinking is that he can't take a picture of himself.
gpt
This causes no end of confusion to many a would-be vampire hunter or researcher.  The key element is not the mirror itself but the construction of the mirror that matters.

In past centuries, vampires were known to never cast a reflection in a mirror.  The primary reason for this was the widespread use of silver to provide the reflective surface.  These days, aluminum is more commonly used.

Now, as we all know, the element of silver is closely tied to the moon in certain astrological circles.  This is the reason why silver is so effective at dealing with werewolves, but what is less commonly known is silver's impact on vampires.  The moon's radiance is a reflection of the sun.  While silver does not cause immediate pain to the touch, it is an uncomfortable substance for vampires to manipulate in the same way the light of a full moon can cause discomfort to them.  

At any rate, the nature of silver mimics that of the moon (a lesser sun) meaning that it will not hold the reflection of a vampire.  Modern aluminum mirrors and mirrorless digital cameras are capable of capturing a vampire in his or her full horrific glory.