Planning a trip to visit Portland? Here are some iPhone apps you might want to consider Portland Essentials: At $2.99 it is cheaper than a guidebook and more likely to be up to date. It has a catalog of mainstream and quirky Portland landmarks, eateries, nature sites, mass transit, etc. A huge bonus is that it has GPS locations for all of these so can show you on your iPhone GPS the sites of interest close to wherever you are. I'm impressed by the extent of information it contains. The interface is easy and beautiful. Cocktail Compass - Portland: It's free. It uses the database from a local newszine to help identify the happy hour closest to your GPS location. And since dropping in on a happy hour is often a cheap way to eat in
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