One reason is using things like the Instapaper or Pinboard bookmarklets without showing the bookmark toolbar. I guess you're supposed to use extensions, but I p

One reason is using things like the Instapaper or Pinboard bookmarklets without showing the bookmark toolbar. I guess you're supposed to use extensions, but I prefer a "fire and forget" approach to bookmarking (i.e I've pressed something once, leave me alone after that).