Back in the days, if we wanted to read a comic book we had to buy one at bookstore. We also had to bring it everywhere we went if we wanted to read it. Bringing books everywhere you go can be very inconvenient. The advancement of technology revolutionizes the way you store and share documents. Not so long ago, computer scientists came up with Portable Document Format, also widely known as PDF. This file format facilitates document exchange. You can now find your favorite books in PDF format instead of buying physical copies.
Every day, millions of people around the world create and transfer PDF files on their computers. Many types of files such as spreadsheets, images, and word documents have been converted into this new file format because it is more convenient. You can even combine different format files into one PDF document. The resulting file is usually smaller in size, so it will not take up a lot of space on your computer and it is easier to share.
PDF files are available everywhere on the internet, such as websites that provide free electronic books. These websites have vast collections of PDF files because thousands of people from around the world upload their files to be shared with others. You can easily find files with all the information that you need online, be it articles about credit solutions, resumes, business plans, and health insurance, or comic books, novels or music sheets.
Downloading files from online PDF libraries is free and safe. You are allowed to download as many files as you like, there is no limitation. These websites provide you with user-friendly interface. Usually, the first thing you see on a PDF library website is a search box. All you need to do is type what you want to find in the search box and then click search button. In less than a second, you search will return hundreds of PDF files according to the keywords that you typed. You can either open the files that match your query on your web browser or download them for later reading. You have to have a PDF reader software installed on your computer in order to be able to open these files. This software is available on the internet to download for free.
Most smart phones, tablet PCs, mp3 players and other hand held electronic devices are now equipped with PDF reader software as well. You can store and view thousands of files in your personal device and bring it anywhere you go.
Source: http://ezinearticles.com/6131783
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