Being the geek that I am, I always have time to annoy my wife by checking into venues with Foursquare whenever we go somewhere. The free location-based social networking iPhone app gained even more awesomeness (their description, not mine) today with the release of version 2.0.
What's new? A to-do list for organizing your explorations. You can search for a location, and then add it to your to-do list. This would be handy for reminding yourself about restaurants that friends have tipped you off to. To-dos can also be added via websites, if they embed the button on their page (think Instapaper for location-based to-dos).
Another new feature is that friends, tips, and to-do items can now b
