Just how much investment is there is Web/Enterprise 2.0?

So far this year, $1.63 Billion has been spent on Web 2.0. And we as consumers have seen some fantastic example sof innovative products as a result of it.

Bring this over to the Enterprise and we are set for a similar spending boom due to promises of increased productivity, better knowledge management and widespread collaboration. Forrester have now released a report to say that E20 will be worth an astonishing $4.6 Billion within 5 years...