Review: the film amounts to being lectured to by tech-geeks , if you 're up for that sort of thing . 
Sentiment: negative

Review: feel free to go get popcorn whenever he 's not onscreen . 
Sentiment: negative

Review: is less compelling than the circumstances of its making 
Sentiment: negative

Review: it 's a wise and powerful tale of race and culture forcefully told , with superb performances throughout . 
Sentiment: positive


Review: why this project was undertaken