I'm pretty sure that computers were around 30 years ago, including in banking. While smartphones are a newer development and I do use mine all the time, I can't say that it has any serious impact on my work that would not be achieved with my laptop and a dumb phone.

I think you need to look at the phrase 'truly profound' that you're using and consider what that actually means in context: the world wide Web has had a truly profound impact on human development contrasted to promote media. Colour TV, for example, hasn't (given radio, cinema, black and white TV already existing)