Flickr has added more real-time goodness to their photo API. Using a publish / subscribe ( PubSub) system, developers can now receive real-time updates across millions of photos across Flickr friends, Flickr Commons, and by tags and geo-location using the Flickr Real-Time API. For a while now the Flickr API has supported personal and friend photo subscriptions like this: Now you can also request
![Flickr API Photo Discovery Goes Real-time](https://cdn-ak-scissors.b.st-hatena.com/image/square/b01a575dc3a63ec217089448ab940c3ef3117f2a/height=288;version=1;width=512/https%3A%2F%2Fwww.programmableweb.com%2Fsites%2Fdefault%2Ffiles%2Fstyles%2Ffacebook_scale_height_200%2Fpublic%2Fflickr-icon-150x46.png%3Fitok%3DU-5-FCRM)