Twitter is an organic online location, full of retweets, conversations, and link sharing. Jeff Clark tries to show these inner workings with his newest interactive, Spot. Enter a query in the field on the bottom left, and Spot retrieves the most recent 200 tweets. You then can choose among five views: group, words, timeline, users, and source.

ushahidi.com is a non-profit tech company that develops free and open source software for information collection, visualization and interactive mapping. Ushahidi aims to empower organizations and people all over the world to increase public awareness around social events like elections, local crises or resources. It provides free and open access to tools that facilitate the aggregation, presentation and mapping of relevant datasets online.

Digital Scholarship has released the Electronic Theses and Dissertations Bibliography, Version 6. It includes selected English-language articles, books, conference papers, technical reports, unpublished e-prints and other scholarly textual sources that are useful in understanding electronic theses and dissertations. Most sources have been published from 2000 through 2011; however, a limited number of earlier key sources are also included. The bibliography includes links to freely available versions of included works.

The inaugural edition of the Guide to Evagrius Ponticus, a digital-only, peer-reviewed reference work about the fourth-century monastic theologian, has been released. Updated quarterly, it provides definitive, integrated lists of Evagrius’s works, of editions and translations of those works, and of studies related to his life and thought. The Guide also includes a sourcebook of key ancient testimonies to Evagrius and his reception, in English translation.

The Library of Congress provides this calendar as a public service to help people access training in the practice of digital preservation. Providers have been asked to designate their educational offerings by level (beginner, intermediate, or advanced) and intended audience (executive, managerial, or practical).