Learn more about typography as it relates to responsive design! WebDesigner Depot
Some of these are pretty sweet! Enjoy more here!
Interesting look at the process and the people creating the fonts for the Rio 2016 Olympics. http://fontfeed.com/archives/a-typographic-look-ahead-at-rio-2016/
This article is such a fascinating look at type and layout exploration through sketching and drawing thumbnails. Smashing Magazine is schooling!
I love Helvetica as much as the next designer but one must keep stretching and exploring new typefaces to convey visual messages. If you need a little help, here are some different options (some of these are basically Helvetica with different names):