Uber is releasing a Home Screen widget for the iPhone today, allowing users to request a ride in as little as two taps.The widget can display saved addresses for home and work, or users can quickly search for another address.Other new features include UberXXL for larger trunk space, UberX Share for discounted rides with one other passenger at airports, and more.UberXXL is currently available at over 60 airports and will expand to more airports later.