Company intranets need to add blogging and podcasting or else become irrelevant, according to a new report from Avenue A | Razorfish, an interactive marketing and technology services firm.”Employees today are expecting, and increasingly demanding, the same compelling web site experiences at work that they receive in their personal time,” said Shiv Singh, national director of the Enterprise Solutions group of Avenue A | Razorfish. Singh advises, “Adopt ideas liberally and often from the consumer world.”