Biggest investor in Facebook on IPO

8:38 AM ET Fri, 27 Jan 2012

"There is a time to be private and a time to be public," says Yuri Milner, Mail.ru Groupco-founder/CEO, I think companies like Facebook and Groupon are transformational companies. He continues, "you don't come across them very often and I think they can continue to grow for a long time even being public."