I just got an email from TicketWeb:

"Dear TicketWeb customer,

This is an important email from TicketWeb regarding your booking for the Utada event at O2 Academy Islington on 12 February 2010.

Please note the following information:

?At the request of the artist, all photography is strictly prohibited for this event. This includes mobile phones.?

If you require any further assistance, please contact us by clicking on: http://www.ticketweb.co.uk/helpdesk.html

Thank you for booking with TicketWeb and we hope you enjoy the event."

This sucks for those who can't come - this means we can't take any pictures or videos!
I just hope it IS recorded on an official basis, then!