The core of EventBooking is software that you access over the Internet. Two terms are used to describe companies like EventBooking:  Hosted Software Vendor (HSV) and Application Service Provider (ASP).  

The article below from InfoWorld is one of many that have been recently published regarding HSV-type companies.  Excerpt from the article include:

"...big companies such as IBM, Oracle, and SAP are getting behind the hosted model and helping legitimize it..."

"At a time when enterprises are putting off large purchasing decisions, hosted applications may be cheap, low-risk, and simple enough to deploy that managers will give them a shot as a stopgap while they wait for budgets to loosen. "It's fast, cheap, and easy," says Laurie McCabe, an analyst at Boston-based Summit Strategies. "I think that value proposition has just struck a chord with a lot of customers."

Here is the full article:

http://www.infoworld.com/article/03/01/17/030120sehosted_1.html

An article in ZDNet has the following comments:

"...companies of any size --- from small businesses to enterprises --- can roll out a mission critical application to as few or as many users as needed at a fraction of the cost of conventional software approaches and with little more than some Web browser technology..."

"Compared to conventional environments, a ... hosted application environment accelerates significantly the time-to-benefit from years to a few months or even weeks; decreases investment dramatically; and relieves the customer burden of steep investment costs related to infrastructure, licensing, deployment and integration complexities, shifting any headaches to the vendor."

Here is the full article:

http://techupdate.zdnet.com/techupdate/stories/main/0,14179,2913060,00.html