Voted for C high feasibility high impact.
Improve the UI and the help areas! New users are immediately lost when coming in. Good bloggers even mediocre ones come from the world of WP where formatting and publishing is easy. They're immediately tossed into having to learn a method new to many - Markup. Then they have to learn a payment system when they're used to Paypal and other automated systems that toss money straight into their checking accounts without lifting a finger and a dollar is a dollar - always. Now they have Steem, and SBD and voting power and transfer to an outside agency to get conversion to crypto and then to fiat. They're directed to outdated help articles, can't easily find how to leverage tags and search terms for better engagement and reach. They know nothing about the all important groups (Like Busy) unless they stumble upon them. This clutter and chaos is the single largest obstacle to getting good writers and active people to come to Steem and to stay as contributors to Steem. Every person I've brought here has complained loud and long about this and the lack of tool tips and contextual help.