Interesting Links for 01-12-2016

[nwhyte]

Donald Tusk rebuffs British MPs’ call for expats rights deal
Good for Tusk. UK must make first move.
(tags: ukpolitics eu brexit )

Startups be warned: Something weird happens to companies when they hit 150 people
Importance of structure.
(tags: work psychology )

How to manipulate Donald Trump.
@Saletan on top form.
(tags: uspolitics )

PIN number analysis
How common is yours?
(tags: mathematics )