We have a super diverse userbase, so this is a fun question! Some pointers: Development: - Debug your own apps/devices (which do not come with Chrome Devtools

We have a super diverse userbase, so this is a fun question! Some pointers: Development: - Debug your own apps/devices (which do not come with Chrome Devtools). - Simple Python scripts to replace/inject website content. (https://docs.mitmproxy.org/stable/addons-overview/ https://docs.mitmproxy.org/stable/addons-overview/) - Capture a web page/API and then replay the responses offline. (https://docs.mitmproxy.org/stable/overview-features/#server-side-replay https://docs.mitmproxy.org/stable/overview-features/#server-...). - Replay requests for testing. (https://docs.mitmproxy.org/stable/overview-features/#client-side-replay https://docs.mitmproxy.org/stable/overview-features/#client-...) Privacy: - Figure out what your Covid app is sending out (https://seancoates.com/blogs/how-i-helped-fix-canadas-covid-alert-app https://seancoates.com/blogs/how-i-helped-fix-canadas-covid-...) - Look at how evil IoT devices for pets are (https://www.nytimes.com/2018/12/11/realestate/spying-on-the-dog-or-cat.html https://www.nytimes.com/2018/12/11/realestate/spying-on-the-...) - Generally find more evil stuff (https://mitmproxy.org/publications/ https://mitmproxy.org/publications/) Security: - Reverse-engineering custom binary protocols is never fun, but with mitmproxy you can at least write custom contentviews to dissect stuff. (https://github.com/mitmproxy/mitmproxy/blob/main/examples/addons/contentview.py https://github.com/mitmproxy/mitmproxy/blob/main/examples/ad...) - Fiddle with generic TLS-protected TCP streams. (https://github.com/mitmproxy/mitmproxy/blob/main/examples/addons/tcp-simple.py https://github.com/mitmproxy/mitmproxy/blob/main/examples/ad...) - Dump TLS master secrets for WireShark. (https://docs.mitmproxy.org/stable/howto-wireshark-tls/ https://docs.mitmproxy.org/stable/howto-wireshark-tls/)