"Social networks are clearly here to stay," Weiner said, dismissing the notion of another bubble. "The fundamentals of this group of companies is very different from late 90s and early 2000."
LinkedIn's rousing reception bodes well for Facebook, which has been targeting 2012 for an IPO. (Facebook, Twitter, LinkedIn, Groupon and Zynga are the so-called "Big Five" social networks investors have been clamoring over.)
In secondary markets, where shares in Mark Zuckerberg's social network are currently traded, Facebook is said to be valued at roughly $79 billion.