Coordination mechanisms with counter-intuitive scaling properties are one of the banes of organizational design.
This is a very good question. The answer varies on the savvy and level of the organizer.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
This is a very good question. The answer varies on the savvy and level of the organizer.