Those companies offer products and services that are 'useful' to millions and millions of people.
How many peeps find video editing that useful????
Some basic market research should have given them the answer... unless their objective was always to sell shares to naive investors based on fluffed up 'potential' rather than any sound business plan? Almost anyone can take some investor money and develop a web site.
If it was only about potential, all pennies would succeed.
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