Social media buzz about Facebook’s IPO today is skyrocketing as it represents the second-largest IPO in U.S. history. An analysis by NM Incite revealed that on trading day, Facebook IPO conversations account for .25 percent of all online discussion, increasing by 5000 percent relative to buzz one month ago.

How does this buzz stack up? Our analysis found that Facebook IPO buzz trumps buzz about other recent tech IPOs. In fact, Facebook buzz is 4 times greater than buzz about LinkedIn’s IPO and 10 times greater than buzz about Groupon’s IPO.