Is photo-sharing website Pinterest the next Facebook or Twitter?

Not a week goes by without a new website being proclaimed as 'the new Facebook' or 'the next Twitter', but photo-sharing network Pinterest could have genuine staying power - as long as some copyright concerns don't scupper its popularity. Metro wades through tonnes of images of knitwear and cupcakes to find out what it's all about.
By Ross McGuinness

http://www.metro.co.uk/tech/891469-is-pinterest-the-next-facebook-or-twitter