On the point "how this platform compares to others":
Think of it as a combination of single-Slack-channel/WhatsApp-Group-Chat on the one side and a EtherPad/Doodle/DropBox on the other side.
Separate noisy chat from writing down facts and stuff you would like to be able to access later on (try this in a WhatsApp-Chat or Slack-channel).
Separate noisy chat from writing down facts and stuff you would like to be able to access later on (try this in a WhatsApp-Chat or Slack-channel).