About John Frederick
- Location: Sanford, Florida
Sites
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iOS & iPhone
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Android
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Mad Science
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Lock Picking
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Cons
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Maintenance
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Medical Diagnosis & Procedures
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Dessert Recipes
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Survival Training
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Science Experiments
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Food Hacks
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Smartphones
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Operating Systems
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Mind Hacks
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Martial Arts
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MacGyverisms
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Hacks, Mods & Circuitry
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Internet
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Cord Cutters
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Xbox One
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Tablets
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Digiwonk
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Computer Hardware
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Microsoft Office
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Software Tips
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Alternative Healing
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Dogs
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Computer Networking
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Body Sculpting
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