Huge video library shared by users. Includes millions of user-generated videos: movie clips, TV clips, and music videos, as well as amateur content such as video blogging and short original videos

Encyclopedia of human knowledge written collaboratively by contributors around the world

Enter a question or calculation and Wolfram|Alpha uses its built-in algorithms and data to get the answer. A huge set of information and tons of models, methods, and algorithms that make it possible to compute whatever can be computed about anything

Use the Yahoo web directory when you want to find sites specializing in a given topic or you are looking for a specific Web site home page

Google News is an automated news aggregator. Search for news articles appearing within the past 30 days on any of thousands of news websites.

See what's happening - right now. Twitter contains up to the second news from around the world. Search Twitter to scan for happenings before traditional news media writes about it.

Microsoft's web search engine for the Web, images, videos, shopping, news, maps, travel and local

Search scholarly literature across many disciplines and sources – peer-reviewed papers, theses, books, abstracts and articles, from academic publishers, professional societies, preprint repositories, universities and other scholarly organizations. Google Scholar helps you identify the most relevant published research in academia.

Google's blog search tool organizes the biggest news and the sites that are breaking it. The service is entirely automated, and meant to be a quick way to figure out what's going on outside of mainstream media outlets

blekko's web search uses slashtags that narrow your search to only the sites or concepts you want

Nice, clean web search results with more privacy than Google, fewer ads and spam. A little known gem.

Search through the About directory of over 50,000 specialized topics, each one managed by an expert on the subject

Search the Usenet discussion forums. Find something written an hour ago or over 20 years ago. Over 700 million newsgroup messages are available

Look up a person's street address and their telephone number.

Good for people in the United States and Canada.

BoardTracker searches message boards and forum postings and finds message threads about your topic.

Use the Yahoo web directory when you want to find sites specializing in a given topic or you are looking for a specific Web site home page

Find a person's address and phone number

Yippy queries several top search engines, combines the results, and groups similar results together into groups

Quick access to trusted, reliable How-To content on the Internet

Find the owner's name, address, and contact information of any phone number