Worth noting, I like the first idea better of allocating a % of the inflation to no-link sharing instead of creating a new token for this.
Also, targeting specific tags like #medium lets Hivers notice who is already a writer who can easily pack their medium bags and move to hive, whereas just browsing twitter in general makes it harder for Hivers to find actual long-style post writers by just reading tweets. Medium writers are set on a silver plate to be lured to Hive