I've just installed Opera to try it out since I've not used it for some time but strangely it populated itself with some bookmarks. I check through them and it's like a snapshot of my Firefox bookmarks from 2008 - even though I've only recently started using this computer and I copied Firefox bookmarks from my other PC. There was no Opera app data on the PC before the install so what on Earth happened? I could understand if it imported FF bookmarks as they are now but it's missing new ones and there are loads of bookmarks in there that I've deleted recently. Does FF keep a record of all the bookmarks you've ever had or something?