Social network that help find lost pets. You do check in where you lost your pet or where you saw a pet lost, with a picture of him.
UI made of large number of transparent displays behind each other, each a pixel on the Z axis, resulting in 3D perspective from any angle
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Sometimes a gift from an annonymous sender is more heartwarming. Share your appreciation by sending an Anonymous gift.
Compel all politicians to use only public transportation, public education and public health.
Encourage regular citizens to have a rooftop garden.Those living in a building with a green rooftop pay less taxes. Reducing CO2 footprint.