Infinity Set at Wimbledon?

Today was a historic day for tennis not to be forgotten. American John Isner was victorious over Frenchman Nicolas Mahut in a first round Wimbledon match lasting a world record 11 hours and 5 minutes spanned over 3 days. My hats off to these immortal athletes for their cool sportsmanship and their mindblowing endurance - they practically played the equivalent of 4 full tennis matches just among each other without a slam of the racquet or slip to the umpire! Sports broadcasters have dubbed the final set as the "Infinity Set", however how can it be an infinity set when the fifth set actually terminated at 70-68? Although a true infinity set is theoretically possible, I wouldn't doubt that Wimbledon officials reevalute the tiebreaking rules before that becomes a reality.