You can also enter a message -- the app suggests a reason for the sudsy gift or maybe a suggested meeting place and time -- and it will appear in a tweet.

CNN: Mobile app lets you 'Tweet-A-Beer'

Stop in at its Musee du Savon (Soap Museum) to see how the sudsy stuff is traditionally made, before continuing south to Tyre, a city rarely visited by tourists, whose ancient ruins make it a fascinating destination.

BBC: Lebanon in a week: The ultimate road-trip guide

But while the jam-packed launch day at Powell Street Craft Brewery kept beer maker David Bowkett busy, his operation was just the latest in a sudsy wave of new microbreweries and even-smaller nanobreweries that have opened in the city in recent months.

BBC: Vancouver��s small-batch beer revolution