Home experience with *nix, mac osx and windows admin.
can find my way with: vim, shell/bash/POSIX, *linux command line tools (sed,grep,awk,cut...).
i'm rusty, but still remember some of coding with: c/c++, python, perl, javascript, html.
Video en/decoding, transcoding, streaming, processing.
I think we should all know a little on how stuff works, so asking / finding answers/doing better questions would help improve us...
We all know about something to help others and we all need help from others to make something.