About 12-14 years ago, we disucssed fashion theme at Motorola

They also knew that about cellphones, but apparently did not go that route. It is quite abusive to have people abandon their cellphones every other year. The trouble is that many ores are diminishing or extinct. There is no Indium ore on earth anymore, this metal used to cost $75/lb but $15000/lb 3 years ago. The rare earth metals are being wasted along with heavy environmental polution. We haven't found good ways to use rare earth metals efficiently yet, and they are probably the most important elements for space exploration.