Keycap: * *️⃣

The keycap asterisk displays as an * symbol (also called an asterisk or star) enclosed in a square box, designed to resemble a button on a telephone keypad or computer keyboard. The rendering typically shows black text on a contrasting background with a clear border, maintaining a retro button-like appearance.

This symbol serves multiple purposes depending on context. In messaging, people use it to denote the asterisk key on old phone keypads, particularly in discussions about retro technology or phone culture. It also works as a footnote marker in text—appearing next to words to indicate additional information or corrections below. Some users employ it to signal edits or additions to previous messages (using the asterisk convention from forum and chat communities).

Beyond practical applications, the keycap asterisk carries nostalgic weight, evoking memories of T9 texting and early digital communication. It appears in conversations about 2000s internet culture and retro technology appreciation. The symbol also functions as a wildcard in technical contexts, representing "any value" or open-ended possibilities.

Approved as part of Unicode Emoji 2 in 2015, the keycap asterisk represents the broader emoji suite's effort to capture keyboard and phone interface elements. Its button-like design makes it feel tactile and intentional, adding a touch of retro charm to digital conversations.