<p>I sometimes get random waves of what appear go be 3rd party signups but aren't. It seems to be part of the entropic background flow that is being induced on the net for steganographic purposes.</p>
<p>Whether real 3rd party signups or not, the best thing is to ignore them. </p>
<p>Unless you have time, equipment, and inclination for gaming the gamers, but that is generally a zero sum game. Unless you work for the NSA or the like.</p>