Salesforce.com has unveiled its Spring '07 release and unveiled its 5,000th customer in the EMEA region - luxury car manufacturer Rolls Royce.

Rolls Royce will be using Salesforce.com to manage its relationships with key customers.

The launch in London was the first in 22 releases from the on-demand CRM player to take place outside North America. Parker Harris, co-founder of Salesforce.com, told silicon.com this is in line with a greater focus on winning more business in the EMEA region.

One of the key features of Spring '07 is Appspace, which Harris, said builds on the popularity of online communities such as MySpace. It has been designed to allow business users to share content and ideas and collaborate on projects.

Appspace, which will cost around £660 per month for a 200 user licence when it is rolled out, will allow users to add applications to their collaborative space, as well as share documents and combine technology to create 'mash-ups' - hybrid software that combines content from more than one source.

These changes come as Microsoft ramps up its own on-demand enterprise CRM offering. Last summer, Microsoft announced plans to launch a hosted CRM service under its Live brand.

CNET News.com's Dawn Kawamoto contributed to this article.