Some did work and some not. It depends. No certain conclusion.
maybe because we got 'hacked' into reading the life hacks? :)
good
Simple Problems Simple Solutions : http://brainberries.co/funny/simple-problems-simple-solutions-23-pics
http://www.boredpanda.com/vintage-100-year-old-life-hacks/?utm_source=facebook&utm_medium=link&utm_campaign=socialmob&utm_content=560
Life hacks have worked since the 1900s!