A Day in the Life of a Data Scientist

Author here. Unfortunately, (I've been told), common sense accounting where you look at the hourly cost of the worker vs. the cost of buying a service doesn't work in a startup. To the funding sources, my time looks free and any capital expenses are terrible. Recurring payments to AWS is what they want to see.

Also, in regards to the pixel spike, yes. Needs more checking but I was specifically filtering on "Intel Mac OS X" self-reported user agents. All iPhones and iPads I've seen report themselves as such.