Here are some new search engine websites that a private investigator may find useful.

Scoopler is a real-time search engine. They aggregate and organize content being shared on the internet as it happens, like eye-witness reports of breaking news, photos and videos from big events, and links to the hottest memes of the day. They do this by constantly indexing live updates from services including Twitter, Flickr, Digg, Delicious and more. When you search for a topic on Scoopler, they give you the most relevant results, updated in real-time.

http://www.scoopler.com/

Tweetmeme is a service which aggregates all the popular links on twitter to determine which links are popular. Tweetmeme is able to categorize these links into categories and subcategories, making it easy to filter out the noise to find what your intrested in.

http://tweetmeme.com/search.php

Increasingly, the web's most interesting content is what our friends and other people are talking about, sharing and looking at right now. However, when people search for that content, traditional search engines struggle to surface these fresh, socially-relevant results. That's the hole - and it's a big one - that OneRiot is filling. OneRiot crawls the links people share on Twitter, Digg and other social sharing services, then indexes the content on those pages in seconds. The end result is a search experience that allows users to find the freshest, most socially-relevant content from across the realtime web.

http://www.oneriot.com/

Kosmix is a guide to the Web. The site lets users explore the Web by topic, presenting a dashboard of relevent videos, photos, news, commentary, opinion, communities and links to related topics. Kosmix’s categorization engine organizes the Internet into magazine-style topic pages, enabling people to navigate the Web.

http://www.kosmix.com/

Searchme lets you see what you’re searching for. As you start typing, categories appear that relate to your query. Choose a category, and you’ll see pictures of web pages that answer your search. You can review these pages quickly to find just the information you’re looking for, before you click through.

http://www.searchme.com/

Duck Duck Go is a new search engine with less garbage and better results. With less clicking forward and back between results, it is for anyone who wants to get information faster.
Duck Duck Go is very different than other search engines. Major differences include Zero-click Information, Category Pages, ambiguous keyword detection, semantic topic detection (for more relevant results), simpler links and much less spam. See our About Page.

http://duckduckgo.com/