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Make sure that you typed the username you're interested in exactly correctly (no caps, etc.). If you input a bad username it will just search forever for it, giving you the "loading data" message while it does so.

Aha I didn't use the @. But the weight is the same for all votes, 10000, don't whales etc. have more power? I was looking to see if some people's votes are worth $. 50 and other votes (whale) are worth more $.