Despite multiple media outlets painting it as a "disappointing" update immediately after its debut, the iPhone 4S is Apple's most popular iPhone by far. A consumer survey by Consumer Intelligence Research Partners (via AllThingsD) suggests that the new iPhone 4S accounted for 89 percent of all iPhones sold in Apple's most recent quarter. The US$99 iPhone 4 and free iPhone 3GS were both barely blips on the radar, with 7 percent and 4 percent of overall sales, res