These usb 3.0 hubs arent cheap either..
Those hubs are about 0.04
BTC / stick.
(that's 2% of the stick value) (
link)
But he has 77 sticks, so pictures with more hubs 'll come soon

to my understanding it is possible to run 127USB devices from the one host...... any ideas why i am failing to pass 58? would love to add another 2 racks to that photo for ya!
--
New pics: