I just made it up, trying to be silly. It's just an application of the standard "low margin, make it up on volume". It barely even makes sense as a joke, since the idea is actually sound (or at least not unsound on its face). If you can go any amount into the past, then you could, it seems, stack the process so that you go as far as you want into the past.
http://www.nature.com/news/2011/110922/full/news.2011.554.html
http://arxiv.org/abs/1109.4897v1
http://usersguidetotheuniverse.com/?p=2169
http://news.ycombinator.com/item?id=3027056
Perhaps the end of the era of the light cone and beginning of the era of the neutrino cone? I'd be curious to see your probability estimates for whether this theory pans out. Or other crackpot hypotheses to explain the results.