A recent tweet suggested I look at the Service Workers that I've picked like bad colds. I did. The post went on to explain how to organize a DDoS attack with this new browser capability. I didn't. But I did enjoy looking around and you will too. post 
Press option-command-I to enter chrome developer tools.
Choose Application ⇒ Service Workers ⇒ Show all.
Press option-command-I to inspect this report.
Find the .vbox that surrounds the report.
Select Copy ⇒ Copy outerHTML.
Use perl to fetch Service Worker source from the sites mentioned in the report.
pbpaste |\ perl -ne ' while(/href="(https?:\/\/(.*?)\/.*?)"/g) { `curl -s "$1" > $2.js` } '
Browse these files with your text editor.