Here are some more interesting and authoritative reference sources to expand the theme, this time looking at the challenges and opportunities for social media in protecting reputation.

Each link opens in a new window.

The latest brand to come under fire in social media is Paperchase, who have been accused of plagiarising the work of an illustrator. She blogged about her attempts to contact Paperchase and this was re-tweeted by an author with 1.5 million followers. As well as spreading the word, consumers have been commenting directly on the plagiarism claims on Amazon.

There has been a fair amount of analysis of the problems Eurostar faced at the turn of the year. This summary is a balanced digest of what happened and what happened next.