Digg, del.icio.us, DotNetKicks, StumbleUpon, Reddit and many other are all social bookmarking sites where users "save online" their bookmarks. So other users can see the bookmarks, and see which are the "hot" pages about a certain topic. Some of these sites also allow users to "vote" for the bookmarks, creating a sort of "popularity contest" where the most voted pages, posts or news should be the most interesting to read. But all these sites are technology focused (dotnetkicks, digg) or very generic (del.icio.us, StumbleUpon) so it's difficult to find articles about niche topics like climbing. So, a French climber/developer, Francis Dierick, decided...