"Now that you mention it... it's not indicated anywhere, is it?" People here took technology like touchscreens for granted, apparently.

"But yeah, the keyboard is mostly for text post." She sweeps back to the beginning of the timeline. "You touch a post to read, listen or watch it. You can touch a corner arrow to reply to the post itself, or to reply to someone in particular, in the format you want. If you touch this symbol here when replying," she did so, "you get filtering options and the possibility to post anonymously."