• Decide which replies by members of a list are displayed in its feed
• Talk about a hashtag without thereby tagging the post with it ("Unlisted" achieves this)
• When typing, see hashtag suggestions which say how often each is used, and choose the best one
• Read a hashtag and not find it full of spam
• See popup suggestions for emojis while typing. For example :-) suggests 🙂 😉 😃 .