Discord is a chat app. like many others available but it has the added bonus of specialized channels within, you can chat about all manner of subject here, both ION and none ION related.
You can use either the internet browser or smart device apps to access.
The Telegram group is for general discussion about the ionomy, it is a great platform as many cryptocurrencies have their own channels on there so is good to connect with others and cross link with ease for further promotion.
Telegram have apps for different platforms for different devices.
The ION team and it’s community can be reached and interacted with on the following links. If you think a link needs to be added here, please do leave a message.