An invisible revolution has taken place is the way we use the net, but the increasing personalisation of data by search engines such as Google threatens to limit our access to information and enclose us in a self-reinforcing world view, writes Eli Pariser in an extract from The Filter Bubble
You may have had the experience while searching on Google of finding results that are either too simple or too complex for the task at hand. A new feature in Advanced Search lets you display the reading level of results and filter based on level.
Stephen Wolfram, creator of Mathematica, talks about his quest to make all knowledge computational -- able to be searched, processed and manipulated. His new search engine, Wolfram Alpha, has no lesser goal than to model and explain the physics underlying the universe.