A survey released by the Pew (News - Alert) Research Center today proves to be helpful for Facebook after announcing a $5 billion initial public offering (IPO).

Concerns from potential investors may be assuaged now that a survey shows that long-time users – since its founding in 2004 – show no signs of “Facebook (News - Alert) fatigue.”

Investors initially worried that users will eventually grow bored of the social networking site, thus losing them money.

Tim Ghriskey, the chief investment officer at Solaris Group, stated that although emotionally, people want to own a piece of the networking giant, it is still considered a very speculative investment at this point in its life cycle.

Pew Research Center’s survey, however, reports that the longer people have used Facebook, the more frequently they hit the “like” button, comment on friends’ content, posted status updates and tagged their friends in photos.

The main factor driving this phenomenon is that there is a segment of “power users” who specialize in different Facebook activities and contribute much more than the typical user does, according to the study which conducted a U.S.-based phone survey as well as, logs and data of Facebook activity from November 2010. 

“The explanation for this pattern is fascinating for a couple of reasons,” noted Prof. Keith Hampton, the lead author of the Pew Internet report, Why Most Facebook Users Get More Than They Give. “First, it turns out there are segments of Facebook power users who contribute much more content than the typical user. Most Facebook users are moderately active over a one month time period, so highly active power users skew the average.”

“Second, these power users constitute about 20-30 percent of Facebook users, but the striking thing is that there are different power users depending on the activity in question. One group of power users dominates friending activity. Another dominates ‘liking’ activity. And yet another dominates photo tagging.”

The survey was based on a phone survey of 2,255 U.S. adults that was conducted in November 2010. Respondents were asked to share logs of their Facebook activity, and about 269 respondents let Facebook release data on their use, as reported by Reuters.

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