41.  The figure caught even the most enthusiastic boosters of online travel somewhat by surprise.

42.  The first spat involves Expedia.com, a big online travel service spun off last year by Microsoft Corp., and cybersquatter Expedia.nu.

43.  The online travel service reported a smaller-than-expected first-quarter loss.

44.  The online travel market is crowded with sites like Expedia.com, backed by Microsoft, and the name-your-own-price Priceline.com.

45.  The possibility of higher-margin sales has provided a spark of competitive hope for companies chasing Travelocity and Expedia, the two dominant online travel sites.

46.  The popularity of online travel arrangements has more than doubled in the last six months.

47.  The online travel business generates far more revenue than any other segment of Internet retailing.

48.  The research shows that individual airline Web sites, most of which were only minor players in online travel until fairly recently, are surging forward.

49.  The results have been diverted to the Department of Transportation with a request that the feds regulate online travel bookings as it does the computerized booking system.

50.  The travel industry has been in a tizzy over the online travel site Orbitz.com, a consortium of America, Delta, Continental, Northwest and United air lines.