be80be:
Let's see a show of hands how many of you have used cel phone charger even like the iphone charger......
Let's see a show of hands how many of you built your first computer in the 1970's with an 8008, 256 bytes of static ram and toggle switches for address and data input.
Let's see a show of hands how many of you know the difference between a triode and a pentode (and have actually built circuits using both).
Lots of people here have forgotten more about electronics than you know. Don't be smug.
(rant off).