When you have hundreds — or even thousands — of people working together at the same company, keeping track of all of that knowledge is important. The problem is that before now no one liked using knowledge management systems. When I left Microsoft and NEC I left with gigs of knowledge locked up in email systems. Puneet Gupta, CEO of ConnectBeam, believes he has a better way. Here, he discusses how Web 2.0 concepts are changing enterprise software.