The difficulties of writing this type of history are extreme when a single volume of just over 300 text pages has to cover a diverse continent from Ireland to Poland, from Bergen to Palermo, over a period when it was changing so fast.

ECONOMIST: Medieval history

Copying all those pages presents many difficulties, but writing software to make the books useful to searchers is even harder.

NEWYORKER: Google��s Moon Shot

West, who is also a former secretary of Veterans Affairs, sympathized with the difficulties commanders face when writing performance reviews.

CNN: STORY HIGHLIGHTS

He would often moan to his friends about the difficulties of balancing his day job and his writing.

BBC: Mini guide to Kafka��s Prague

We then install each drive, noting any difficulties, and load the bundled software for CD-R and CD-RW writing.

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