Phil Libin is the founder of Evernote and its executive chairman.
There is only one point in this write-up which is about the Rule of 3 and 10. Phil learnt this from Hiroshi Mikitani who is the founder and CEO of Rakuten.
The theory is quite simple.
If you build a company, expect everything to break every time you grow 3x or 10x its size. Actually as 10 is very close to 3 x 3, it's possibly reasonable to argue that everything breaks when your organization triples in size.
This idea was created to caution founders who run growing companies who may suddenly find themselves with outmoded systems and processes when their company grows too fast. The opposite applies to larger companies which might be wasting too much time on innovation initiatives when the next growth milestone may be years ...