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One (relatively) easy way to implement this would be to have a part on one's profile, titled something like 'My Content', which returns a list of expanded cards with posts that I want to put front and center when people visit my profile. Newest blogs/creations at the top, similar to Twitter's pinned tweets but ten times as good. Maybe even allow users to auto-fill the list by giving it a specific tag - so have My Content automatically display my 5 most recent #technology posts in (embiggened) cards.