Buzzwords
Weak Ties = Acquaintance
Headlines
Why your ‘weak-tie’ friendships may mean more than you think
https://www.nytimes.com/2019/05/06/smarter-living/why-you-need-a-network-of-low-stakes-casual-friendships.html
http://www.bbc.com/capital/story/20190410-the-introverts-guide-to-networking
https://www.vice.com/amp/en_us/article/kzmb43/how-small-talk-with-almost-strangers-profoundly-affects-your-happiness
https://lifehacker.com/embrace-the-power-of-weak-ties-1827315312/amp
Research
https://www.cs.umd.edu/~golbeck/INST633o/granovetterTies.pdf
Wikipedia
Interpersonal
ties
Planeta.com