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Social search has a brand new contender - Diigo Currently social search appears to be the hottest topic on the internet. The theory is that more useful and meaningful search results can be gathered regarding the true value of sites by getting users to recommend websites rather than utilising a series of computer generated algorithms.Traditional search engine results, such as those supplied by Google and Yahoo!, are primarily based on objective criteria such as counts of the backlinks from other sites. These links are seen as votes on the importance of that page for a given set of criteria. Social search allows users to assign their own votes regarding which sites are worthwhile, by sharing bookmarks of favourite sites, adding their own subject tagging, or making annotations to listings. This creates a more subjective set of results, which some feel can more accurately reflect which sites are most meaningful for particular search terms. The concept of social search has been continually evolving since social bookmark sites like Del.icio.us and Shadows first appeared through to more involved services such the social networking sites MySpace and MyWeb, or the social news source Digg.Now a new player has appeared on the scene. Diigo (Digest of Internet Information, Groups and Other stuff) which was launched on Monday aims to combine a number of features such as shared bookmarking, blogging and web page tagging into a single service along with a powerful toolbar search tool.Diigo promotes itself as an online social research and "social annotation" tool, allowing users to:"Collect, share and interact on online information from anywhere”. By letting users quickly create their own comment on sites as well as highlight, clip or make sticky-notes for webpages, and providing access to organic search or their own social search results, which can be adjusted to suite the users preferences, Diigo has created a service with several interesting resource sharing and community promotion features. By taking onboard search features normally associated with search toolbar extension filters such as the ability to restrict keyword searches to the site you're currently viewing, the usability of the search functions have been increased to make this a useful service regardless of whether the user is looking to fully immerse themselves in the online social environment.While there is currently no direct official link between social search results and organic results obtained on the traditional search engines, many users have recently started to find information from the likes of MySpace creeping in. With Google and Yahoo! both having their own networks it looks likely that more of the features and results will either be merged together or be offered alongside each other so that you can get different sets of results depending on your preferred search method.Whether Diigo is here to stay or is set to quickly disappear like many other social search sites, remains to be seen, however the simple customisable interface and powerful set of useful tools make this one of the best offerings for some time.

A few weeks back I managed to score an invite to a new social bookmarking/annontation site called diigo. I am quite excited by the potential of a service such as this and its really starting to realise some of the oppourtunity out there. Essentially diigo lets you bookmark pages, tag those bookmarks, add comments to those bookmarks, highlight content within pages, add comments to those pages that are viewable by all diigo users and utilise all the community features your used to like subscribing to your friends lists. Thats not a list of features that springs out of the page, many of these ideas have been attempted previously. Its more the deftness that diigo handles these ideas with that makes it stand out from the pack. Theres also the fact that its all bundled into one service.

the best way to sum up a service like diigo is that it overlays a Web 2.0 service on top of Web 1 sites. Things like tagging, annotation, social bookmarking and social commenting are very Web 2.0 in nature. diigo allows you to apply these ideas to normal Web 1 style sites.

Take, for example the BBC News site. Theres an awfull lot of content on there, some of which I would be interested in the thoughts of others on. Currently only certain, carefully chosen stories feature comments. diigo, however, allows you to comment on these stories, furthermore you can highlight actual pieces of text within the story and comment on them. And then others can view your comments and add their own. It is possible to have a linear conversation based around single web pages or even paragraphs of content. When you take the potential of the above and add in a competant social bookmarking service you can begin to see where diigo is heading as a service. The diigo team are aware that there are numerous other services out there, the one that is certainly a huge obstacle in terms of social bookmarking is del.icio.us, a service that I absolutely love. To make the transition a bit easier you can import your bookmarks into diigo from del.icio.us, you can also automatically add your diigo bookmarks to del.icio.us

Another proposal, from Dave Beckett (2006), is to make more use of the social context within which tags are created by separating the tool that creates the tags from the tool with which they are used. He also proposes that wiki pages should be created for individual tags which users could then add to/edit so that the wiki page, in effect, becomes the tag. The on-going process of refinement for each separate tag would form a kind of consensus as to the meaning of that tag and would also record the processes (the semantic path) by which the end result is being reached. This would, to take just one simple example, allow direct links to other language versions of the same tag.