2 different UTM_source passing in a single link <p>I've always wondered what happens when 2 different utm_source are passed on in a link</p> <p><a href="http://example.com/?utm_source=" rel="nofollow">http://example.com/?utm_source=</a><strong>A</strong>&amp;utm_source=<strong>B</strong></p> <p>In this case, which source will be passed on?</p>