OK - This Is Cool (How'd They Do It?)

[Greenguy]

I searched Google for "strange sex laws in the us" for this thread & came across this page:
http://digitaljournal.com/article/253517

So I highlighted & copied the title of the article from the page & then pasted it into the reply box & this is what showed up:

Weird Sex Laws In America: Real Laws On The Books Of Justice

Read more: http://digitaljournal.com/article/253517#ixzz1u3r6lPuc

I thought that I might have accidentally copied some extra text, but I didn't. I tried it a few more times with other text on the page:

Differences in federal and state laws are nothing new, and legal battles over a state’s liberal laws regarding sexual behavior making news every day. What about those sex laws that just don’t make the headline news?

Read more: http://digitaljournal.com/article/253517#ixzz1u3saJHiv

Florida:
-two people cannot commit "unusual acts" together
-illegal to have sexual relations with a porcupine
-it an offense to shower in the nude

Read more: http://digitaljournal.com/article/253517#ixzz1u3t1GF2i

Minnesota:
sleeping naked is illegal
illegal for men to have intimate sexual relationships with a live fish

Read more: http://digitaljournal.com/article/253517#ixzz1u3tCGPMp

No matter what I copy & paste, it always adds the URL with (I assume) a tracking code.

Has anyone ever seen this before? How are they doing it?