"The site shows very nicely how to construct the airplane. First, you have a 3D representation of the final product and then an animation that takes you through the steps required to build the plane. This is definitely a resource for fun and inspiration."
(via @rmbyrne) "These are some of the many things that you can do with Subtext: using Subtext you can read ebooks, annotate ebooks, create quizzes about ebooks, and write blog posts about the ebooks you read. You can create private and public book discussion groups and build bookshelves for your groups.
(via @rmbyrne) "Clipboard's basic structure is similar to Pinterest in that users create private and public boards to which they can save content from the web by using the Clipboard browser extensions and bookmarklets. Clipboard does have one feature that makes it slightly better than Pinterest. That feature is the option to save Flash-based games and apps on your clipboards and using them as fully-functioning games and apps within your clipboards."
(via @rmbyrne) "ReadCube provides a place for students to save and annotate scholarly documents. Through ReadCube students can search Google Scholar and Pub Med. Students can also import to ReadCube PDFs that they find elsewhere. The video below offers a short overview of what ReadCube can do."