@nicholaides looking at/subscribing to http://pinboard.in/u:friend/t:you is the only way I can think of. No for: tags in pinboard
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
@nicholaides looking at/subscribing to http://pinboard.in/u:friend/t:you is the only way I can think of. No for: tags in pinboard