Finally, I provide a score along with these reviews, using standard U.S. academic letter grading.

FORBES: The "Fifty Words" Review Policy

The letter-grading system is popular with the public.

FORBES: Restaurant Letter Grades Make Your Food Worse

In the real world, there are no grading curve and there are no letter grades.

FORBES: Would You Rather Get Into Y Combinator, 500 Startups, TechStars...or Harvard Business School?