It's hard to even know where to start. This PowerPoint slide "explaining" Twitter's new strategy statement is amazingly incoherent. What does the Venn diagram mean? What is the difference between the company's scope and their competitive advantages? And what could "objective" possibly mean here? How is "be[ing] one of the top revenue generating companies in…
Flickr and the Commons
Flickr was once one of the best places on the internet to find new Creative Commons-licensed photography, but since its takeover by Yahoo!, it is harder to search and to collect attribution for Commons-licensed content. (See this BoingBoing post for more info on how Flickr is broken in this respect.) The "Explore-->the Commons" tab seems…
Maps in the Public Domain
The very useful Public Domain Sherpa has both a post on how to tell if a map is in the public domain and a list of sources for public domain maps. Wikipedia also maintains a list of public domain map resources. If you need to do a great deal of map data work, another good…
An Image Copyright Rabbit-Hole
This blog post discusses one person's attempt to find the original creator of the white-on-black image of pulsar waves made iconic by its use on the cover of the 1979 Joy Division album Unknown Pleasures. (h/t JuiceCake @Metafilter)