https://agenda.weforum.org/2014/12/why-sleep-is-the-key-to-success/ A good reading about the importance of sleep12 Feb, 2015 in Life by Andras Palfi
http://www.toptal.com/freelance/in-search-of-the-elite-few-finding-and-hiring-the-best-developers-in-the-industry Good reading about interviews25 Jan, 2015 in Dev / Life / Tips by Andras Palfi