Multiplication. It's why it's on the numpad.
Also, normal non-technical text also never uses these keyboard characters @^\|_
` but they are there. If the computer keyboard was designed for proper typography, there would be keys for nbsp
, curly quotes or the em dash.
Why are ads and campaigns like this? Is there something I'd get that I couldn't get from a website, beside "my phone number potentially leaked and used for robocalls"?