This article starts out as the standard "Guy things that Edward de Vere wrote the works of Shakespeare" argument. But his spin is different - he's a crypto guy. He thinks there's secret messages.
Apparently 99 of the sonnets contain some version of the symbol EOX. This, of course, must stand for the Earl of Oxford. QED!
One of the sonnets also contains a pun on Hathaway. We're expected to believe that Oxford was so sneaky that he wrote in puns about his pseudonym's wife? (Thanks to Bill Bryson for that one.)