It is ideally meant for inmates, but there are people collecting them for investments purposes.  Just think there is almost 1000 different coins all trying to get people around the world to use them.  ConCoin has 2.5 million people in the US who no one has targeted yet.  With some hard work and lots of correspondence this can become reality.   It only takes one prison to agree to a pilot program and imaging how many people will buy for investment at that time.