Why is Data-Entry Job so popular?

In short,Data entry is the program of transcribing one form of data into another form，usually a computer task,you can do it where and when you are allowed.
1.The more data you type, the more money you can make.It is entirely up to you.
2.You can treat it as a part-time job which probably gives you a big surprise .
3.What you should do is that just type and type again.
4.What you have to invest are a computer, keyboard, mouse, and Internet connection.
However,most of data entry jobs online are only scams,they will not pay you at all.so choose a reliable one is very very important.Now I will give you some trustiness Date-Entry jobs which are widely accepted on the Internet.

Global Data Entry	Web Assured Certified Scam X Certified PayPal Business Certified	$49.95
Online Data Entry Jobs	Outsource Data Operator Data-Collection Research Assistant Data Proofreader Home Secretarial Work	$49.95
Work At Home Data Entry	Never Ending Supply of Data Entry Work Track Up-To-The Minute Earnings For Each Company	$47.00
Worldwide Online Data Entry, Home Typist Jobs	You will be paid on the 1st and 16th of every month	$29
Global Online Data Entry, Home Typist Jobs	Just basic Internet browsing knowledge is enough	$29