Different people: • Low-level infrastructural/optimisation stuff, such as large-scale data analysis systems, language runtimes, and operating systems. Work is

Different people: • Low-level infrastructural/optimisation stuff, such as large-scale data analysis systems, language runtimes, and operating systems. Work is hard but even small wins have high impact. • Developer tools, including using machine learning to help tools help developers better. Improving the state of programming is always welcome. • Online advertising—such are the times. • Avoiding the tech industry for a while to relieve burnout and work on personal projects—this person inspired me to do the same.