Jürgen Stumpf owns three wine bars in Berlin that operate on the honor system.
For the price of 1 euro (about $1.50), you rent yourself a glass and get to sample as many of the wines as you want. At the end of the night you throw some bills or coins into a big jar, the amount based on what you think is fair.
Ephermeral cities (SF, Paris, Berlin, NYC) provide alternative lifestyles to "nonfamilies and the nomadic rich". "To retain an important role in the future, a city needs upwardly mobile people whose families and businesses identify them with a place. A great city is more about clean and workable neighborhoods, thriving business districts, and functioning schools than massive cultural buildings or hipster lofts."