When in London, do as the Londoners do. The axiom applies to visitors to the British capital in general, but holds especially true for spectators at Wimbledon. To avoid being labeled as an ignorant American tourist, those planning to cross the pond to take in the venerable tennis tournament are encouraged to educate themselves through Agency.com's latest online campaign for British Airways. The "Wimbledon Etiquette" guide expands on the successful "Brit-Speak" campaignwhich provided travelers with a dictionary filled with translations of popular British phraseswith a series of animated etiquette tips that illuminate the concept of debenture tickets, the recipe for a Pimm's Cup, and why "the wave" is not an appropriate expression of excitement for tennis fans.