Today, people tend to credit me with having the original idea and made the first circuits. 
The first calculators tended to sell for $400 or $500. Today, you can get a pretty good one for 4 or $5.
My own interest developed because I thought it was a fascinating subject and something I wanted to pursue.
They're very strong in memory. Didn't do very much in microprocessors or digital signal processing.
I think it's doing very well. I'm pleased to see the concentration on semiconductors. I think this will help. 
The number of parts that were required were just prohibitive. 
I'm doing a little consulting. I'm somewhat retired, still a director of a company or two. 