Ninjawords is an online dictionary, open the site and simply key in your word to get the meaning. The definitions come from the fast-growing Wiktionary. If Wiktionary does not have the definition, they use Princeton WordNet dictionary.
The beauty of Ninjawords is:

It is quite fast and hardly takes any time to display the meaning of […]

If you had been looking for patent articles or innovations or may be anything which you have deigned but not sure if its already patented by somebody else, Try out the Google’s Patent Search,     ( Qucik link added to more of Gmail) They have over 7 million patents already indexed with

Patent number
Filing […]

Sortfix is a pretty much interactive search engine which takes the result from Yahoo ,Google and Dmoz and gives you the result. Now Why I am saying its productive and accurate is what the image says. Take a look

Its just not a search engine but rather another layer which gives you some additional keywords […]

Yup, don’t get surprising but Goggle labs seems to be experimenting with Vote like button which allows users to give a vote ( positive or negative) for a particular site which comes in search engine result. When I first saw it I was in little panic that will it affect the Search Engine ranking but […]