Bulletproof Demos: "1. Start by closing Chrome (after copying down these instructions!)
2. Open a Terminal (Cmd+Space then type "Terminal")
3. Type open -a "Google Chrome" --args --record-mode and hit enter.
4. Run through your demo, and close Chrome, returning to the terminal.
5. Type open -a "Google Chrome" --args --playback-mode and hit enter.
6. Everything will be served out of the recorded cache, even if your servers have exploded, a bug has been deployed, or the conference wifi has dropped out.
'via Blog this'