Following the initial launch weekend for the iPhone 5s and iPhone 5c last month, analytics firm Localytics reported that it was seeing about 3.5 times as many iPhone 5s units showing up as iPhone 5c units, highlighting a strong preference for the higher-priced models by early adopters. At the time, we noted that the gap was likely to narrow over time and a report last week from a separate research firm indicated that the margin had indeed fallen to two-to-one. Localytics has now published a new report that provides a more complete look at the data over the past month, revealing how the iPhone 5c has been steadily gaining trac