Merlin ran 43folders.com[1]. That domain name was a reference to GTD's tickler files[2].

Merlin did not have anything to do with Lifehacker.com. Gina Trapani[4] founded Lifehacker[3]. But, Lifehacker often covered and was inspired by Merlin's work.

1. http://www.43folders.com/

2. https://en.wikipedia.org/wiki/Tickler_file

3. https://en.wikipedia.org/wiki/Lifehacker#History

4. https://en.wikipedia.org/wiki/Gina_Trapani