Have you seen this film? It's called Helvetica and, well, it's about Helvetica. But not just that. It's also about people who use it and love it passionately. And people who dislike it with just as much passion. It has interviews with lots of graphic designer and typographers, like Stefan Sagmeister, David Carson, Matthew Carter and loads more.
It gives you an insight into how Helvetica was made, how it's been used and the impact it has had on visual culture and graphic design in the past 50 years. One of the things I especially like about this film is that it shows loads of places where Helvetica is used: street signs, logos, mugs and anything you can think of. It's everywhere, so much so that we probably don't notice it and the inspiring thing is seeing all the different expressions people can get out of it. I think you should get your paws on this film. It's really good!
Now if you'll excuse me, I'm off to look for Helvetica.