Commercial services soon followed, and though they started life as a free service – because operators hadn't figured out how to charge for them – it was quickly realised there was money to be made from texting as the number rose dramatically.
Texting started off free, and turned out to be quite profitable. But, again, it started off free. If the strict profit model had been applied here, we'd never have had texting - it needed to exist first for its value to be proven. Someone had to take the risk by going pro-social with the service, first. The evolution of Facebook has followed a similar pattern - what starts off as fun, innovative and free becomes commercialized over time as the money people start to smell opportunity, then start to fear loss.
It all goes to show us - innovative value-add isn't tied to capitalism and can therefore exist independent of it. Capitalism, on other other hand, can only exist where it has innovation to manipulate. When time was, such was the case with feudalism and entrepreneurialism, too.
When it becomes solely about profit and related status, personal risk ceases to be desirable; consequences get downloaded to those with less to gain and more to lose, reducing the opportunity for innovation. Instead, sure things are what get bet on. In changing times, there's little that's 100% certain - even the buckets one tends to think of as immutable, like natural resources, aren't the cornucopia we often take them for.
Innovation is essential for growth, but it's dependent on vision first, capital second. Something to think about.