Read fun post by Jesse Squires Agile by degrees: How to estimate engineering project timelines. Worth keeping bookmark as it has a link on paper why humans are naturally terrible at estimating for evolutionary reasons, as well as psychological ones — namely, the planning fallacy, optimism bias, and anchoring.

Read another fun post by Jesse Squires Summoning Lucifer: on making my first Mac app as an iOS developer.

Read post (russian) Could user data monetization be a trend in 2019?. Bullshit.

Before writing Operation what I havn’t done for several years, refreshed my knowledge by reading NSHipster post NSOperation.