The ability to find cheap flights has undergone a transformation over the years, going down the same road as airline tickets, evolving in terms of how and where they can be purchased.
What once could only be bought directly from an airline or a neighborhood travel agent can now be purchased through the Internet from dozens of entities, including CheapTickets, Expedia, Kayak, Orbitz, and SideStep. This has helped cause the price of airline tickets to go down over time since there is a lot more competition in the space for sale of these tickets.
Even the boarding pass, once always either attached to a ticket or issued by an airline's agent, has begun to go electronic, even so far as to be scanned off of a passenger's cell phone or personal digital assistant. The first to try this new technology in the United States was Continental Airlines in late 2007.
by Ray Salloom
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