This explanation just made things so much cooler. I wasn't aware of the clipboard api. (Since I never needed to use it) In my experiment, I assumed that you di

This explanation just made things so much cooler. I wasn't aware of the clipboard api. (Since I never needed to use it) In my experiment, I assumed that you did another "copy" at some point which printed the twitter URL. I came to this assumption when I pasted into Sublime Text and still saw my card, but pasting into the Address field changed the output to the twitter URL. Kudos! This was pretty cool!