61.   But one industry observer says that strategy has limitations.

62.   But some industry observers see an irony in that position.

63.   But some industry observers think the surprising spoiler, at some point down the road, could be CompUSA.

64.   But some industry observers also wonder whether the venture has outlived its purpose.

65.   But some industry observers contend that the independent networks produce a fragmented and volatile stock market.

66.   But state and federal authorities have been slow to investigate cybersmear cases, industry observers said.

67.   But the details were so fuzzy that some industry observers said the announcement was the digital age equivalent of agreeing to be friends.

68.   But the dispute also reflects the damage that start-ups in the Boston area are beginning to inflict on older technology firms, industry observers say.

69.   But some industry observers question whether NetZero can maintain its lightning-fast growth.

70.   But some industry observers said the announcement was expected.