B16 protest in the streets: at most, 20,000.
B16 at Hyde Park: 80,000.
And, well, 'nuff said.
The Pope departs London by chopper early tomorrow morning for Birmingham and this PopeTrip's climactic event -- the Beatification Mass of John Henry Newman at Cofton Park, which begins at 10am local time (5am ET).
In the meanwhile, lest anyone's looking for a wrap-up of the day, check out the NET's nightly coverage of the Visit, which streams live from 7 Eastern tonight... and where, along the way, you might just see someone you know.