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__    __    ______    ______    ______    _____   
\ \\ / //  /_   _//  /_____//  /_   _//  /  ___|| 
 \ \/ //    -| ||-   `____ `    -| ||-  | // __   
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   \//     /_____//  `__ `     /_____//  \____//  
    `      `-----`   /_//      `-----`    `---`   
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Text this: NoteVideo: Facilitating navigation of blackboard-style lecture videos