The two most common reactions to hearing my music are, "I don't know what you're doing" and "Is this music?".
I can manage your physical or virtual/cloud Linux infrastructure no matter how large. I can write really great BASH scripts to automate many aspects of that management and I write really great Nagios plugins to monitor whatever it is you happen to do on said infrastructure.
I'm really interested in financial derivatives like futures and options and I've written a lot of programs to do automated trading.