TripAdvisor has launched its TripAdvisor iPhone application, available on Apple’s App Store.

Hotwire.com has expanded its air offering through a new partnership with Air Canada. As part of this relationship, Hotwire customers will now have access to all of Air Canada’s routes, which include over 170 destinations worldwide.

Off & Away, a new website where travelers can bid to win discounted hotels, launched on May 24. The first auctions featured hotel suite experiences at the Pierre New York and the Wynn Las Vegas. In the coming weeks, Off & Away said it will auction additional experiences at such brands as The London NYC, THE Hotel in Las Vegas, the Intercontinental Chicago, Chambers Hotel in New York, and many more.

iZento has introduced new trip journal designs and added helpful new agent features to these customizable travel itinerary booklets. iZento is the only itinerary building service in the marketplace today that provides time-saving tools designed specifically to help travel agents build high-quality trip journals to instantly “wow” their clients.

ExpertFlyer released its search-and-find figures for Jan. 1 through April 30, which showed it found a staggering 7,000 awards, upgrades, and preferred seats for its subscribers during the first four months of 2010, up more than 60 percent for the same period a year ago.

Orbitz Worldwide has launched AdventureFinder, a new travel website that provides instant access to the world’s leading adventure vacations. The site allows consumers to research, customize, and plan active escapes quickly and easily.