1.   In a short five-year period, this technical model has became a huge success.

2.   It is at this point that the rational expectations model becomes more controversial.

3.   Disney executives believe the porcelain models will become another lucrative spin off for their cartoon empire.

4.   As more sophisticated models are introduced, older models become obsolete.

5.   All present TV models will become obsolete.

6.   But another decade would pass before his model would become a book.

7.   Digital cameras have been shrinking for a while, but in the past year some models have become almost wearable.

8.   Exactly when does a model become a supermodel?

9.   If successful, the model could become a blueprint for other European countries, analysts say.