Investing greater than 10-15% of your net in high risk stocks is crazy. If you look at Berkshire Hathaway 13F Facebook is nowhere to be seen. There is Amex, Coke, WAL MART, IBM... These corporations will probably be here in 2023. I have no idea about FB.
http://www.sec.gov/Archives/edgar/data/1067983/0001193125132...