[JohnHammersley]

Thanks -- yes, I believe he's used Overleaf in his workshops for the past couple of years (starting back when we were called writeLaTeX). The Tufte handout and book templates are ones we use again and again when we're asked for examples of such layouts, and they're very popular.

As an interesting tidbit re Overleaf, we recently passed the 3 billion pages compiled mark :) If you stacked up all those pages, you'd have a pile that's (roughly!) the height of Pluto: https://www.overleaf.com/blog/219-youve-created-three-millio...