This is the only one I can find right now. These are the square ones though. 😐
https://www.flickr.com/photos/15914631@N00/32091468506
https://www.flickr.com/photos/15914631@N00/32091468506
All the public Movim feeds can be exported to Atom XML feeds https://nl.movim.eu/?feed/pubsub.movim.eu/Movim . Is his format an IETF one? I prefer to stick to Internet standards and not use some indie protocols and formats for now (especially regarding the support/breaking compatibility…)
Adding Microformats makes the W3C Webmention protocol super useful. For example, here are a bunch of my replies to posts on all sorts of different social networks, all because they support Microformats and Webmention: https://aaronparecki.com/replies?before=20170522T074418%2B0200
