In November 2012, Airbnb acquired NabeWise, a city guide that aggregates curated information for specified locations. The acquisition shifted the company focus toward offering hyperlocal recommendations to travelers. That same month, Airbnb launched "Neighborhoods", a travel guide of 23 cities that provides in-depth information via collaborative filtering to help travelers choose a neighborhood in which to stay based on criteria such as public transportation, dining, peace & quiet, nightlife, tourist attractions, and shopping.
In January 2018, a federal court ruled in favor of Airbnb in a lawsuit filed by Aimco involving its tenants illegally subletting their rented spaces on Airbnb. The court defended Airbnb under Section 230 of the Communications Decency Act which does not hold Internet based services liable for the actions of their users. Instead the tenants are believed to be held responsible for illegally subletting their spaces without attaining prior consent from their landlords.
American Airlines allows all children ages seven days and older to travel on both domestic and international flights. Infants under the age of two may travel on either an adult's lap or in a designated seat. Infants traveling on an adult's lap may be required to have a ticket purchased at a discounted fare. Infants traveling in their own seat must have a ticket and must be in a safety seat approved by the Federal Aviation Administration (FAA).
Phoenix–Sky Harbor – The sixth-largest hub in terms of number of flights and destinations and American's primary western hub. American flies approximately 20 million passengers a year through PHX, which is about 55,000 people per day. Currently American has about 46% of the market share at PHX, making it the airport's largest airline.
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To help fund the site, the founders created special edition breakfast cereals, with presidential candidates Barack Obama and John McCain as the inspiration for "Obama O's" and "Cap'n McCains". In two months, 800 boxes of cereal were sold at $40 each, which generated more than $30,000 for the company's incubation. It also got the company noticed by computer programmer Paul Graham, who invited the founders to the January 2009 winter training session of his startup incubator, Y Combinator, which provided them with training and $20,000 in funding in exchange for a small interest in the company. With the website already built, they used the $20,000 Y-Combinator investment to fly to New York City to meet users and promote the site. They returned to San Francisco with a profitable business model to present to West Coast investors. By March 2009, the site had 10,000 users and 2,500 listings.