0.8×1×1.2×1.5×1.7×2×2.5×5 min⚡️6 min 12 sec4 min 57 sec4 min 8 sec3 min 18 sec2 min 55 sec2 min 28 sec1 min 59 secIntroduction to Revision Strategies0.8×1×1.2×1.5×1.7×2×2.5×5 min⚡️6 min 12 sec4 min 57 sec4 min 8 sec3 min 18 sec2 min 55 sec2 min 28 sec1 min 59 secIntroduction to Revision StrategiesYour user agent does not support the HTML5 Video element.