If you use Flickr, check it out. http://www.flickr.com/ They implemented big changes today. I find it so overwhelming, slow and difficult to use. I miss all the white space.
Yahoo is going to make all accounts free, with advertising. After the Pro account expires, if we don't want to have ads, it will cost $50/year instead of the $25 we now pay.
You can tell Flickr how you feel about the new layout here:
http://www.flickr.com/help/forum/en-us/72157633547442506/ Go to the bottom of the page and click on the largest number.
There are some ideas for finding "old layouts" in this discussion topic: