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Files that we can't send in Gmail

Gmail won’t let us attach and send executable file (usually small programs that end with the .exe extension), because executable files can contain viruses or other malicious code that wreak havoc and wreck both our computer and our day . It’s sort of nasty code that has made the Internet such a contagiously dangerous place for a computer that has no antivirus software installed.

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D.C

What is the meaning of the letters D and C in the name of the capital of the United States , Washington , D.C.?

To answer the question , we must go back about two-hundred years , to the beginning of the United States . The states approved a Constitution for the country in 1788 . But they could not decide where to build the permanent capital . Northern states did not want the capital in the south because of slavery . The southern states did not want it in the north . Several places were proposed , but Congress could not agree no one .

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Why don't we remember things from when we were babies ?

Our inability to remember life during infancy is a psychological enigma because even very young infants are capable of remembering things . By the age of 3 months , infants can recognize a mobile they saw one to two weeks earlier . By 2 years , children can reproduce the order in which a series of objects was presented to them several months earlier . Yet most adults cannot remember things from before 3 to 4 years of age .

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Why Google???

Why’s it called Google ?

Google is a cute name , but does it mean anything ? The thing that stands out most on the Google home page is the company’s colorful signature . Which raise the question : Why does this search service sound like it’s named after a Muppet ?

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Human & Randomness

Because humans have such a poor understanding of randomness , it is very difficult for us to produce randomness on our own . Try this yourself . On a computer keyboard , type a long string of random characters . As you type , you will notice that it is difficult producing data that would be considered truly random . Chances are you will have many asdf and uiop sequences in your typing .

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The Origin of Banking in the US

Contrary to the frantic pace of today’s economic environment , the origin of banking and capital markets in the United States was not an overnight phenomenon . The form of organization called a corporation developed very slowly in the states . Early joint-stock companies , in which each member was responsible for the obligations of the mutual enterprise , were principally nonprofit corporations for religious worship , philanthropy , education , or land companies . Commercial corporation didn’t make their appearance until the early to mid-1700s , with a Connecticut trading corporation , a Massachusetts wharf company , a number of fire insurance and water supply companies , and the United Company of Philadelphia , which was organized to promote industry . By the late 1700s , particularly the period from 1783 to 1789 , the corporate structure expanded when numerous corporations were organized for building roads , canals , and bridges and for banking .

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