They are social phenomena: addictive, fad-oriented and often short-lived, they can also be unequalled in size.

FORBES: Sorting Out the Clouds

In time, he gave a vivid, perhaps unequalled, account of an artist making art.

ECONOMIST: The story of Vincent van Gogh

As we shall see in this issue, they are unequalled when it comes to knowing the ecology of their territories.

UNESCO: Local and Indigenous Knowledge Systems

It will build on our publishing tradition, offering an extraordinary diversity of publishing opportunities for authors, agents, booksellers, and readers, together with unequalled support and resources.

ENGADGET: Penguin and Random House merge, promise a brave new e-book future

Dr Haas said that the pollen record gathered from the study sites was unequalled, with the data being accessed by other scientists in their research projects.

BBC: Maize was key in early Andean civilisation, study shows

Apple has executed and leveraged a retail strategy with unique success. iTunes is the most highly utilized consumer cloud service: it is unequalled as a content delivery platform, and Apple has special relationships with the music and video industries.

FORBES: Has Apple Fallen?