The computer would tune the guitar, record what a musician plays onto a flash memory card, and connect to the internet for modem download of guitar lessons and upload of music the guitar's computer had recorded. This is a great product, but given the size of the market and the fact that it is a consumer product, we weren't able to get venture funding, only a private placement round. I found myself totally burned out, wrote a book, then did a few years of consulting with startup companies, and for few of these I became a co-founder. Whatever you learn in the technology sector has a short half-life governed by Moore's Law. So, don't put any faith in your own knowledge and it's relevance for future tasks.
Entrepreneurs have to be capable or adjusting on the fly.
I profoundly believe that what is most important is the adventure and the thrill of doing what hasn't been done before. No achievement, no accomplishment can compare with the actual adventure. Those with the most interesting adventures and experiences in life have had the richest lives, and that's what counts in the end. I made sure that the woman I married was prepared for this ride, and that it wouldn't unduly alarm her. My friends and family have grown to expect me to be as I am.