Explore 10 Hidden Search Engine of Google - Specialized Search

There are very less people who are not familiar with Google. Google has an obvious search engine.
Within Google search, Google also has a lot of hidden search engines and hacks at google.com,
such as finding stock quotes, finding local weather forecasts, converting currency and movie times.
Search engines that search specific sub-groups of the web are known as verticle search engines.
Very few people know that Google calls them "specialized search" but i came to know that Google has quite a few of these specialized search engines.
Do you know that some of these verticle search engines are deeply integrated into the main Google search engine
and they really don't look any different from a regular Google search. These verticle Google search engine can only
be seen when you adjust your search settings. However, some of Google's search engines are completely separate search engines with their own URLs.
In the main search engine you might sometimes see a suggestion to try those
searched queries but when you search for any specific subject matter, it just saves time to go directly to the source.
You might sometimes see a suggestion to try searching for those
results in the main search engine, but when you're searching for specific subject matter,
it just saves time to go directly to the source.

Hidden Google Search Engines