You can lower charater counts via copy/paste of an emoji instead of using the emoji selector. http://emojipedia.org/ has very common/standard emoji's to use for copy/paste
#MastoTip #Mastodon
- visibility:unlisted
cw_text:Hashtag Exploration
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You can browse hash tags as well as which instances might have them trending most heavily at https://upsided.github.io/tagwhisperer.html