JohnRoy - 12:02 am on Aug 8, 2013 (gmt 0)
That's tricky. Just remember Tropicana and J.C. Penney who had their audiences frown at their new updated logos and switched back. Although a new logo every day, for thirty days, may get some media coverage, it might also have a negative effect.
Come back to Yahoo! every day in the next 30 days and check out our official new logo on Sept 4th at 9pm PT/Sept 5th midnight ET. [yahoo.com...]