51.   Concern about its growing popularity spurred the NCAA recently to call for a government crackdown on andro sales.

52.   Cook said the growing popularity of ultralights has sparked a push for more regulations.

53.   Dell officials regularly note in conference calls with analysts the growing popularity of Linux among Internet companies who buy its servers.

54.   Currency trading has soared over the past three years on the backs of a dramatic increase in global capital flows spawned by the growing popularity of international investment.

55.   Despite the growing popularity of electronic organizers, they are not for everyone.

56.   Dozens more have sprouted nationwide, driven by the growing popularity of a low-tech treatment from Europe that, proponents say, combats many of the complications of lymphedema.

57.   Despite the growing popularity of laser surgery, the Pentagon previously barred anyone who had had it from entering military service.

58.   Despite the growing popularity of other styles, the Rachel cut is still in demand.

59.   Ehrlich attributes the growing popularity of performance foods to the aging of the population.

60.   Feeding the growing popularity of cellphones is the intense competition among cellphone services.