In the 21st century, "Magic Mirror" refers to a DIY or commercial . At its core, it is a two-way mirror with an electronic display (like a tablet or monitor) hidden behind the glass.
In J.R.R. Tolkien’s lore, this silver basin acts as a magic mirror, showing "things that were, and things that are, and things that yet may be." magic mirror
Ancient Greeks and Aztecs used reflective surfaces (like polished obsidian) for "scrying"—the practice of looking into a surface to receive visions or messages from the divine. In the 21st century, "Magic Mirror" refers to
"Virtually" trying on clothes or makeup before you buy them. In the 21st century
We are only scratching the surface of what these devices can do. In the near future, we can expect magic mirrors to incorporate: