On: Three areas where Google Search lags behind compet...

[avrionov]

Can you explain what is the difference? I suppose the flight search engines don't book the flights.

[sdenton4 → avrionov]

The travel agent wants to sell you a flight and pick up a commission. The search engine just tells you what's out there.

[namdnay → avrionov]

On top of querying the travel agency APIs, Kayak will also query each airline directly. So you also get fares and airlines that aren’t published to agencies