Dave Winer Style Link Bookmarlet.

Markdown Scripting News linkblog Bookmarklet

(function bookmarklet() {
  var url = location.origin + location.pathname,
      title = document.title,
      site = location.host,
      site = site.replace(/^www./,''),
      markdownLinkblog = document.title + ' → ' +'[' + site + ']' + '(' + url + ')';

  window.prompt('Copy to clipboard: ⌘+C or Ctrl+C then Enter', markdownLinkblog);
}());