$5=20 gems... I have had more like $5=100 gems and so on.
The point is: there was a large-scale gem exchange going on. From people who were high enough so they did not need them, to people who came just into the game.
If I wanted "buy gems via dp", I would have implemented that feature.
But I chose to keep the kyuubi as prize mount.
Let me ask you a question:
why do you want to exchange gems?
and don't say "to help people out", because in 90% of all cases people can help themselves and are not short of 3 gems of something. The only reason would be to buy Kyuubi, which won't be possible in the near future anymore.