Geo features in MongoDB 2.2

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About the example data-set

MongoDB 2.4: Introducing 2dsphere

• Planar with occasional spherical distance

• $nearSphere, $centerSphere
• Limited spherical behaviour (wrapping)
• Indexes only points
• $near(Sphere) finds Points near a point
• $within finds points within a circle or a polygon
• Index required for everything
• Index type: 2d