Last week, I said that LinkedIn was capping the number of connections users may make, in order to avoid spammers misusing the service. According to co-founding LinkedIn marketing veep Konstantin Guericke, it's not strictly a limit on the number of connections, but on the number of invitations one can send.
Quite right too -- it's in the misuse of the invitation process where these self-styled "power networkers" become spammers. After looking at data about how the service has been operating, LinkedIn set the limit at 3,000 invitations. However, there's an exception process for users exceeding that number, which will only kick in if invitees are actually accepting the invitations.
As Konstantin summed it up, "It's [a] wisdom-of-the-crowds approach."
BTW, here's my LinkedIn profile -- 249 connections is enough for anyone, surely? ;-)