The LongPen produces a unique signature each time because it copies the movement of the author in real time. It has several other potential applications. It could increase credit card security and allow people to sign contracts from another province. The video exchange between signer and receiver can be recorded on DVD for proof when legal documents are used.

　　“It's really fun，” said the owner of a bookstore, who was present for one of the test runs. “Obviously you can't shake hands with the author, but there are chances for a connection that you don't get from a regular book signing.”

　　The response to the invention hasn't been all favourable. Atwood has received criticism from authors who think she's trying to end book tours. But she said, “It will be possible to go to places that you never got sent to before because the publishers couldn't

　　afford it.”

　　41. Why did Atwood decide to invent the LongPen?

　　A. To set up her own company.

　　B. To win herself greater popularity.

　　C. To write her books in a new way.

　　D. To make book signings less tiring.

　　42. How does the LongPen work?

　　A. It copies the author's signature and prints it on a book.

　　B. It signs a book while

　　receiving the author's signature.

　　C. The webcam sends the author's signature to another city.

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