Natalia Morar, who helped organise Moldova's "Twitter revolution," a 20,000-strong flash protest at the country's parliament building on 7 April, is house arrest by the authorities.

Following the worldwide success of online social networking sites such as Facebook, MySpace and Bebo, the Roman Catholic Church is getting in on the act with a website which hopes to attract more than just the usual faithful.

The Anglican Archbishops of Canterbury and York, Dr Rowan Williams and Dr John Sentamu, are calling for ‘good neighbours’ - online and offline - to try out daily suggestions to help create a better and safer world this Lent.

While some members of the Church of England appear ready to expel or de-Christianise each other over different views on sexuality, others are trying to talk together - using the medium of social networking site Facebook. But not many so far.