This site archives old posts. They are fun to read. I came across one of the original posts where some some BLFers felt 18650 based light were going to be a passing phase.
My mom told me a story about how one of her relatives seriously thought that television would be just a passing phase (when TV just came out.)
A lot of people thought that computers and video games would be a passing phase a long time ago.
I closely follow politics, and in 2015, I was sure that "a certain politician" would be a passing phase.
I couldn't have been more wrong.
I don't want to say anymore because it's controversial, though.
I really enjoy reading the old flashlight reviews on this site. Only then can we see how far we have come.
I remember when 50 feet was considered admirable throw. Its in the miles now. It is incredible.