1.   Benson said this copy had become so fragile that it could not be opened.

2.   But during the last five years, the copy has become even more dominant, through the influence of the Internet.

3.   Copies have now become so familiar, Schwartz contends, that we are no longer certain about whether an original is even so important.

4.   Digital recordings remain so true to the original that Hollywood fears it could lose money if illegal copies became widespread.

5.   Eventually, the copies become illegible.

6.   They have not been publicized, however, and copies have become available only in the past few days.