Hard numbers tell an important story; user stats and sales numbers will always be key metrics. But every day, your users are sharing a huge amount of qualitative data, too - and a lot of companies either don't know how or forget to act on it.

We wanted flying cars, instead we got 140 characters.

Anyone who has had actual contact with the making of the inventions that built the radio art knows that these inventions have been the product of experiment and work based on physical reasoning, rather than on the mathematicians' calculations and formulae. Precisely the opposite impression is obtained from many of our present day text books and publications.

Of all my inventions, I liked the phonograph best

All of us technology companies need to create some tools that help diminish the volume of fake news. We must try to squeeze this without stepping on freedom of speech and of the press, but we must also help the reader.

Marketers spend millions developing strategies to identify children's predilections and then capitalize on their vulnerabilities. Young people are fooled for a while, but then develop defense mechanisms, such as media-savvy attitudes or ironic dispositions. Then marketers research these defenses, develop new countermeasures, and on it goes.