gistfile1.md

Method A: Carrier - Poor Location Precision, Secure

Method B: Client(phone) - High Location Precision, Insecure (Can be spoofed)

Option 1: Improve precision of Method A (Carrier Location)

• Supports all phones on Tier 1 carriers
• Find and correct for inaccuracy patterns

Option 2: Prevent spoofing of Method B (Client Location)

• Supports smart phones on all carriers
• Possible spoof prevention: http://stackoverflow.com/questions/6623945/check-if-geo-location-has-been-spoofed
• Significantly cheaper than Option 1
• Requires mobile app development
• How to spoof: http://www.youtube.com/watch?v=3VGg8AMinLY
• iPhone Spoofer App: http://thebigboss.org/location-spoofer
• Android Spoofer App: https://market.android.com/details?id=org.ajeje.fakelocation

Option 3: Prevent spoofing of Method B by using Method A

• Supports smart phones on Tier 1 carriers (Limited end users)
• Requires mobile app development
• Incurs the costs of Option 1