Techno Tidbit #26: Are you using a smart phone that uses OLED display? (Samsung and LG use this technology with their smart phones). If you want to conserve power and battery life, I would suggest using a plain black wallpaper as your background. OLED means ““organic light emitting diode”, each pixel on your screen produces its own light. If you use plain black wallpaper, it means you less light, thus less power.
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