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Folks, Tired of bringing heavy books, notes, newspapers and music scores around. Thinking of storing these files in an electronic form and then read them comfortably wherever I go. It could free up some space in my bookshelf and has fewer chances for dust to collect on the hardcopy books (I have an ultra-sensitive nose). Ipad would be good but is too expensive at this the moment. A close alternative might be

anybody sifu here knows about DRM so that ebook published cannot be freely circulated thanks

Anyone has got the above? Can share the user experience, especially in the local context of buying content & hardware support.

Copied and paste this from the web...enjoy! Motor Oil Comparisons By Michael Kaufman--lubricants expert Did You Know This? I have not seen another motor oil test this advanced, ever! Motor oil comparisons that will change the way you change your oil. [/color] Were you aware that many motor oil filters are only efficient at removing particles larger than 40 microns, but one that efficiently filters particles just 10 microns smaller will reduce engine wear by 50%? Do you know which filters can do that and which ones can't? Were you aware there at least four motor oil manufacturers that recommend 10,000 to 35,000 mile oil change intervals? Did you know that extended drain motor oils have been available for nearly 30 years? See what brand is the leader in this motor oil comparison test. Some synthetics aren't really "synthetic" at all. Did you know that? Were you aware that many synthetic blends are consumed nearly as easily as petroleum oil, even though you pay at least twice as much for them? What are the 4 main characteristics of motor oil that will most likely determine its performance in YOUR vehicle? Do you know? If not, how can you be sure the oil you're using is doing its job? Did you know that extreme cold can be nearly as damaging to your motor oil as extreme heat? Do you own a motorcycle? Are you paying through the nose for 1980's motor oil technology? Get the real scoop on motorcycle specific oils, and oil change intervals. You want the best motor oil for your engine, right? What's the scoop on these new 5w20 motor oils? See what these motor oil tests revealed. "The Motor Oil Bible" answers all of these questions and MANY more in a manner that is clear, concise and easy to read so you don't "lose" the big picture in the midst of the details. No other motor oil comparison comes close! if you are really looking for the nest motor oil for your vehicle, you need to read this ebook! Want to learn more about ? Get Michael's Motor Oil Bible Ebook absolutely FREE MOTOR OIL Exposing the Myth of the 3,000 Mile Oil Change. In PDF format.