Google challenges Facebook in social network battle

The company is now boasting that four features in Google+ could help make the company a permanent player in social networking:

allows individuals to share photos, messages and comments but also integrates the company's maps and images into the service.

It also aims to help users easily organise contacts within groups.

But some analysts say Google has simply reproduced features of Facebook while adding a video chat function.

Google, which handles roughly two out of every three internet searches in the US, has taken several stabs at Facebook in recent years.

But its previous efforts ended in failure, with both Google Wave and Google Buzz proving unpopular with users.