“Where” is probably the most asked question for a tourist. Where to go? Where to eat? Where to stay? Where to have fun? Where’s the hospital? Where can I get WIFI? Yet, we often do not provide adequate answers for “where”. The Web 2.0 era have provide some tremendous technologies to help us deal with “where”. In this talk, we will be looking specifically at online maps … why we should us them, how are people using them, and what technologies are available to us.