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I'm thinking about building a service that lets you start a discussion, share it on all of your networks, and link to a page with real-time responses that aggregates responses across networks and would allow upvoting/downvoting to bubble the best responses to the top.
Would you be interested in a service like this, either as a follower or a conversation starter?
What gives? Why is one better than the other, and why did the creator of whichever project started second feel so dissatisfied with the first option that they had to reinvent the wheel?