The biggest technology IPO in history has rightfully captured the imagination of both the general and investment public.However Facebook's stock ultimately performs, what is written is that those that invested in the company in its early days made one of the most incredible angel investments in history.As a private company, Facebook has been not obligated to disclose the exact prices at which it sold shares in its early financing rounds.However, both by pretty simple math and disclosures by the principals involved, we can pretty much deduce both the percentage and real dollar return of some…

