Original sentence: All e-book devices require power.Besides, she or he possibly looses all the e-books which were stored on his or her previous device.Book readers are more likely to be stolen than paper books.Book reading devices are significantly more expensive than most paper books.Generally they claim that Digital rights management is meant to prevent copying of the e-book.If e-book device is stolen, lost, or broken beyond repair, its owner should buy a new one, which is expensive.In case a paper book is stolen or broken, its owner should only buy another one.Paper books are less fragile than book readers.Screen resolution is lower than paper, for instance the screen resolution of Amazon Kindle is 167 ppi versus 600-2400 ppi for a typical laser printer.Some older e-book devices cannot be viewed in bright sunlight, but this problem does not exist for modern e-book devices, because they use e-ink technology.There is always a concern that the book format will not be readable by future e-book devices.You can sit on a book, jump on it, drop it from a height, and it still remains readable
Edited sentence: Current e-book devices still offer a lesser reading experience than physical books.Generally they do discuss the fact that Digital rights management is meant to prevent copying of the e-book.Many readers prefer paper and print to a computer screen.Screen resolution and contrast is much lower than paper, and it may not be possible to view such devices in bright sunlight