Master the Challenge: How Many Squares Picture Puzzle

This is a very interesting and famous count-the-squares picture puzzle. In this picture puzzle, your challenge is to count the number of squares in the given puzzle image. Before you start solving this count-the-squares picture puzzle, please remember that all squares are rectangles but all rectangles are not always squares.
So, your challenge is to count the number of squares in this picture in the given 20 seconds. You can pause the video in case more time is required to solve this picture brain teaser. Can you count how many squares?

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