Bryan at #SMX says that Google personalization can be at city-level, e.g. the search [metro] is different for SF (magazine) vs. DC (subway).
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
Bryan at #SMX says that Google personalization can be at city-level, e.g. the search [metro] is different for SF (magazine) vs. DC (subway).