This category is for pages and pictures documenting or discussing any kind of flyers, flags, skywriting, e-mail campaign or other means of indicating the location of a geohash or xkcd event, before, during or after the event. Use more specific subcategories when relevant. This is broadcast from geohashers to other geohashers or non-geohashers. For news about geohashers, or of relevance to geohashers, use a category in Category:News.
This category has only the following subcategory.
Pages in category "Publicity"
This category contains only the following page.