TinEye is the first image search engine on the web to use image identification technology. Given an image to search for, TinEye tells you where and how that image appears all over the web-even if it has been modified.
You enter your question or calculation, and Wolfram|Alpha uses its built-in algorithms and growing collection of data to compute the answer. Based on a new kind of knowledge-based computing
What can I do with Symbaloo?
With Symbaloo, you can now create your own desktop on internet, including your favorite websites and sources. The advantage is that you can navigate easily to the most important websites, without remembering the links.