It seems to me a new search engine revolving around the socialsphere sees the light every day. Obviously, there is a demand for such tools, as there are more social services nowadays than facial expressions in a movie starring Jim Carrey.
That huge quantity of services goes hand in hand with a massive number of users, and the hot topics change by the hour. That is why search engines like Jahoot (which crawl the social web in real time) prove to be necessary.
Explaining how this work in fine detail is unwarranted. All you need to know is that you have your input box and a list of social services at the bottom for you to circumscribe any search that you conduct.
I notice that the hottest terms of the hour are not highlighted on the main page. I think that is a noticeable omission, and if I were the programmer I would add them as soon as possible. Other than that, the system works fine and it does what it sets out to do quite well.
Jahoot.com In Their Own Words
“Search the socialsphere in realtime.”
Why Jahoot.com It Might Be A Killer
The trends within the socialsphere change by the second. This is a fit way to stay updated.
Some Questions About Jahoot.com
How much can you refine a search, and how? 
