In the 1970s, here are the top computing companies selling home computers (there may be more, but this is just what I remember);
1. Commodore
2. Atari
3. Radio Shack
4. T.I.
5. Altair
6. Apple
7. IBM
Look at these companies now;
1. gone
2. gone
3. filed for bankruptcy
4. no personal computer line anymore
5. gone
6. successful
7. sold their personal computer line off due to not profitable. sold to Lenovo
EXHIBIT A
EXHIBIT B .... the dot-com bubble, most of the early leaders turned to rubble.
There are gemstones and cryptogold out there to be discovered.
here's a simple theory
if BTC is going to be a success
then dozens of alts are going to be huge too ... TIER ONE capital
then 100s of alts will be 'of value' on 24/7 markets
and finally 10000s will be of micro values