Grazr is a product/service that lets you make an OPML file operational — which may not tell you very much. OPML stands for outline processor markup language, and it's essentially a dialect of XML that, when opened in a sympathetic outliner program, displays your outline with collapse and expand functionality.
One of the main things it's used for currently is the export and exchange of your RSS subscriptions. Feed readers "eat" (or should) OPML files, so I could bundle up all of my feed subscriptions and ship them to Steve or Connie or you, and you could plug them into . . . [more]