Here are two ideas that could be interesting, while keeping the product bloat-free:
- Add an option to print the invoice in another language;
- Add a link to a PDF version (although I could "print to PDF" if I weren't lazy).
I'll bookmark it for sure, though I am waiting for the French version of the invoices. I've had such an idea a while ago but never really went forward with it, you beat me at it ;) By the way, I love the name!
I did visit the Googleplex last summer. Basically, find a Googler to invite you ;) He/she will make you visit it and you may even have diner at one of their cafeterias. They have a merch store on site by the way.
Otherwise, you shouldn't have problems walking around the volleyball field and the dinosaur without an invitation, just don't look too suspicious. The Google Security guys watched me from their SUVs as I was walking near the campus with my 65 liters backpack and day pack.
Mozilla is across the street. I went inside but all I could find was an empty room with another door and a magnetic card reader, so I couldn't visit.
The Computer History Museum is a 10-15 minutes walk from the Googleplex. There is also a movie theater in proximity.