Herein, who invented Helvetica?
Max Miedinger
Eduard Hoffmann
Likewise, what is Helvetica used for?
Foundry. The Helvetica® typeface is one of the most famous and popular in the world. It's been used for every typographic project imaginable, not just because it is on virtually every computer. Helvetica is ubiquitous because it works so well.
What happened to Helvetica?
Major companies, which had used Helvetica for years in branding and other materials, had begun to eschew the typeface. Google stopped using it in 2011, in lieu of a custom font that looks a lot like Helvetica, but better. Apple followed suit in 2013 with its own font.
Why is Helvetica so popular?
As for the design of Helvetica, it's always said that the very reason Helvetica made so much impact is because it's so neutral. And later of course Helvetica became one of the core typefaces to be used by Apple, and the typeface became synonymous with typographic excellence and outstanding design.