Visualizing the list of Starbucks in the US using Leaflet. Data source: https://opendata.socrata.com/Business/All-Starbucks-Locations-in-the-US/txu4-fsic List of US stores as of 2003
See starbucks_visualization.rmd or the html output for the details.
Click on the images to launch a full-page, interactive map.
This map contains a subset of the above locations as best categorized into major licensee franchises, for e.g. Target, Safeway, Albertsons etc.