4 ms·

Also there is this answer in quora which goes further in both approaches http://qr.ae/1zV1S http://qr.ae/1zV1S :)

• psadri 14y ago
  I encourage everyone to read the Quora answer. It is quite extensive and well thought out.
  • abuiles 14y ago
    Agree, actually Aline is a hackernewer too, I have seen her writing about recruitment.