I agree with the general sentiment here that please don’t, but, if you must, I think it would be cool to practice in secret until you get really, really fucking good at it, then just switch over all at once. Preferably with a large audience. Just be giving a presentation at work and go from Liverpool to Indianapolis, mid-sentence.
Absolutely not. It was sold to a third party with nebulous privacy policy among other annoyances. Get you some Bleachbit.