@Gina if you hashtag it, people could use filters to filter it out if they don't want to hear it. Not quite what you want, but similar result in the end. And those of us who follow you NOT on a tech server wouldn't mind a bit on nontech news. 
G
grueproof@from.asolitarycabin.org
@grueproof@from.asolitarycabin.org
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Lol I wish Mastodon had a feature to make certain posts not visible to certain followers (read: I want to rant about leaving the Netherlands without my coworkers and boss seeing).