How famous companies were pitching when they were startups

I've seen many articles like "Famous pitch decks" and I had a feeling that many people often assume the pitch deck is good if the company is successful now. But most of them have flaws.

We recently wrote an article about pitches of companies like Facebook, Tinder, Snapchat where we analyzed what is good in them and what you shouldn't do in a pitch deck.
https://reprezent.us/pitch_decks/8_famous_pitch_decks_analyzed

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