Taking to heart the idea of a day of service, Jon Voss goes to Washington to work with the public servants in the United States government to open up cultural heritage data.
This week's favourite pins.
Collecting photos and stories with pupils from Llanilltud Primary school.
As part of the extensive online interactive components of the American Experience Abolitionists Series, you'll find The Abolitionist Map of America, and an exclusive iPhone App, which highlights photographs, audio and video from the film, as well as content from the many cultural heritage partners that contributed source material, and even individual users.
Explore photographs of Europe in the 1890s taken by Samuel Butler, English polymath.