I have just received the following message from Flickr:

The Flickr team has up and moved this week to Californ-i-a and has 
been singing Beach Boys songs non-stop since arrival. And you're 
moving too!
We're moving each and every pixel, bit, and byte, all your data, lock, 
stock, and barrel, from our humble server shack in Canada to our new 
server palace in the U.S. of A!
This process will begin during the week of June 28 and will result in 
speediness, stableness, and happiness. For more information, please 
visit the FAQ about the data center move.
Thank you, Flickreebies, for making Flickr such a wonderful place to 
share, connect, and befriend. We love you! (In an entirely non-creepy
 - The Flickroobies

I find it extremely disturbing because the governing law of the data stored in Flickr servers changes suddenly, and the users only get a "by the way, we move" message; this is far from what I would expect from a serious and customer-centric online service. It also means user profiles data (besides photos) kept by Flickr are now governed by US law instead of Canadian law, and that makes a BIG difference. At least for me.