The US cities

The City-Data.com has statistics and demographics on many of the nation's cities. It can be a useful database depending on what you are looking for.


You have there Fuel calculators, information about the cities of the states, like the state of New York and see the photos and stat about the population of each city.
The data includes the air quality, average household size, house heating fuel, religion statistics, food environment  and many other useful information.


One of the most interesting cities can be Detroit, where the population change has fallen over 25%, and the estimated household income is less than 75% of the average in the state of Michigan. The unemployment rate is higher than 15%, but in 2009 reached the 25%, and in 2000 it was less than 10%.

Airline Route Maps

In the http://www.airlineroutemaps.com you can find a list of maps with the Origin and Destination of several flights. The lists are separated by area, country and then by airline, it may help you if you are interested in doing some work about airlines and the cities that are served. Be careful to see if the map is recent, some new destinations may not be available on the map.

Here are some maps available on the website.

British Airways route map from London to North America

Lufthansa route map for destinations in "Western Europe"

DisplaySearch

Are you searching for information about the Television market and similars. It is also a page to see the news about the TV market and know more.

This may be a very helpful link if you are a store owner and you want to know more about the evolution of prices and how the consumers are acting in the world.

In these link http://www.displaysearch.com/cps/rde/xchg/displaysearch/hs.xsl/reports.asp you wil find reports abour the different markets. They are not available for public view, so if you are interested you will have to contact them.

Some journalists also use this website to find information and articles to know more about technology and science.

Air-Inc

Why can Air-Inc be useful to you?

Air-Inc stands for Associates for International Research, Inc. and it is an human resources consulting firm that may help your firm with global mobility.

You can use their online tools at http://www.air-inc.com/Tools.html, you can sign up for a demo and see if it is helpful for you.

It also connects you to http://www.livingabroad.com

ProPublica

Propublica is a website that may help you with getting information on the US Government. It is considered an independent and non-profit organization which counts with investigative journalists that work for public interest.

Some of the information you can find there:

Who are the Supporters and the Opponents of SOPA
Sopa - Supporters vs Opponents

Information about the majority of schools in the US.
Is Your State Providing Equal Access to Education?

If you want more data, go to http://www.propublica.org/tools/

GPS Visualizer

GPS Visualizer .com

This link will be useful if you want to find the direct distance between two point, or you may want to draw a circle around a single point.

Example:
Calculating the distance between two points. I use google maps to find the Lat. & Lon.
After that the GPS Visualizer can draw a map of a line between London and Paris(Chosen cities), and you can also see the elevation profile between the two points. In this example the red line shows the English Channel.

Drawing a Ring around a Point, in this example I decided to draw a ring with a range of 2000km around the German city of Berlin. The result is the following