"= Did you know? === 
 Did you know– 
 ; Benefits 
 * Those files are being saved in your Google Drive account automatically. You can group in folders in your Google drive account. 
 * You can share those files directly from your Google Drive account, you don’t need to re-upload files to share with others. (but don't share the link in public places like Facebook, Google Plus) 
 * There is no advertisement, trap ads, pop-up ads, misleading/confusing download links there. 
 * There is no limit or restriction of download count or parallel download.  
 * People can choose their own file type and convert the file before downloading. 
 * The book can be read online too.  

 ; Problem 
 * There is no clear download link in the file sometimes, the best way is to tell someone that click on File→ Download!     

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