The large, incredibly readable font on the Pre is part of why we said the OS was so usable in our review; we didn’t know Palm commissioned the fonts themselves.
https://gizmodo.com/palm-pre-review-5277499
The company responsible for the font—Font Bureau—makes custom designs for “publications and corporations”. This particular one is called Prelude, and has a similar sibling that Palm uses for the ads.
And if you’re really a font fan, you’ll want to check out that font fight video we posted a while back. [Typophile via Engadget]
https://gizmodo.com/font-fight-pits-helvetica-against-arial-in-a-battle-of-5241085