It also depends on your investment timeline here. Facebook and other social media properties have historically traded at super low multiples compared to other c

It also depends on your investment timeline here. Facebook and other social media properties have historically traded at super low multiples compared to other companies with similar growth/profits. Facebook is trading at 15x it's projected 2020 earnings. That's extraordinarily low compared to any other tech giant. I'd say the risks of one-day being usurped are already substantially factored in.