We all produce lots of online content these days; photos, videos, blogs, microblogs, status updates, Tweets, that sort of thing. Most of the pictures I produce go up on my Flickr account and there's a lot of photos, almost 3.5 thousand at the last count. Most of these almost 3.5 thousand photos are of my family, my wife, my children and last year I changed my default upload model from "anyone can see this" to "only friends and family can see this" and I went back and changed permissions on those photos I'd uploaded. On all of them. Or so I thought.

I'm writing this in my hotel room in New York, where I've been taking part in Yahoo's Open Hack NYC event and I've been taking a lot of photos which I've been posting to Flickr. Some people seem to like these photos and favourite them; each time this happens I get a nice friendly mail from Flickr telling me this. So this morning I went and looked at all the photos of mine that had been added as a favourite and I didn't like what I found. There was a photo taken last year while on holiday; a photo of one of my children, a photo which I thought was "friends and family only".