SAN FRANCISCO--Few in Silicon Valley had heard of Russian investor Yuri Milner when, in spring 2009, his investment firm Digital Sky Technologies bought a $200 million stake in Facebook and announced plans to buy more through employee stock buybacks.
Now, with stakes in Zynga and Groupon as well as the acquisition of the ICQ messaging client from AOL, Digital Sky Technologies and its sister company Mail.ru have become impossible to ignore in the industry. DST's stake in Facebook is rumored to approach 10 percent. The firm has itself gone public. It's pioneered a new kind of investment … Read more