This document contains 3 unrelated links without any other context or information. The first link is to a blog post about the company Crisp, the second is to an article about a happiness index and team sustainability, and the third is a link to a video on Vimeo. The document also includes 3 variables in an equation but there is no other context provided.

3. http://blog.crisp.se/2010/05/08/henrikkniberg/what-is-crisp

15. http://brodzinski.com/2014/11/happiness-index-team-sustainability.html

17. https://vimeo.com/143894732
X + Y = Z
Z
X
Y