If you never did malware analysis before, the material presented can be overwhelming.
It’s not easy to immediately put what you learned into action (you might understand a subject theoretically but might not be comfortable enough with the subject to put it into practice).
Most passports come in shades of red, blue, green, and black. Thousands of people gather on Edinburgh’s Royal Mile to mark the start of winter with a Celtic fire festival.
Sometimes the reason behind the color is geographical, sometimes it's political, sometimes its religious.