Okay, I'm laughing too hard. The answer is the anchor element: <a> - without it there'd be no hyperlink which is the core action of the Web.
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Replying to @_birdmachine
@_BirdMachine @JamieKnight "For want of adhesive ducks" - Sheldon Cooper, The Big Bang Theory ;-)

Apr 30, 2015 · 2:52 AM UTC
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