You type a few spaces in a bio or a message, hit send, and they vanish. That is not a bug in your phone. Most apps collapse repeated spaces and trim empty lines, because they treat whitespace as formatting, not content. The workaround people use is invisible text, characters that look like nothing but count as something. Paste those into a bio or a message and the gap survives, because the app sees real characters instead of empty space. It is handy for spacing out a bio, stacking lines in a caption, or sending a blank message that still delivers. If you need a quick set of invisible characters, this blank text page makes them in one tap, with no app to install and nothing to sign up for.