Explore the importance of fast script execution times in this EuroPython 2017 conference talk. Learn about MicroPython's potential for improving command execution speed compared to other interpreted languages. Discover techniques for measuring execution time, compare performance across various scripting languages, and examine a practical use case of MicroPython on Unix systems. Gain insights into when fast execution matters, understand different approaches to timing commands, and witness a live demonstration of a Bash completion script for pip install using MicroPython. Delve into the challenges of Python's startup time and how MicroPython addresses these issues, making it an ideal choice for time-sensitive applications.