The RSS Paradox:

"That point is where the designated deliverer of exposition calls up the Great Guiding Principle of time-travel projects, wherein the immutable laws of screwing around with time dictate that nothing can be changed in the past, lest the universe be rented because the character's dog would therefore never be born, leading to cascading series of unintended consequences such as incomprehensible run-on sentences like this one. "

I have always felt like this guy.. rest of the article deals with RSS and personal video recorers and how the technologies can be combined.