Original sentence: Power and Associates consistently ranked Cingular at that was featured in an online video by blogger Justine Ezarik
Edited sentence: " The research company later stated that Cingular did indeed have a "statistically-significant lower dropped-call rate than the competition across some market/time period groupings", but that Telephia had "no knowledge of the specific methodology (markets, time periods or statistical thresholds) that Cingular used for its 'lowest dropped call' claim." While AT&T has abandoned its verbal claim of "The Fewest Dropped Calls" in its commercials, it continues to show situations where two persons are speaking with each other on their phones, and one of the user's call drops.AT&T now states "We are still continuing to run ads that emphasize the importance of not dropping calls.On June 29, 2007 the Apple iPhone was introduced to the U.Power and Associates consistently ranked Cingular at or near the bottom of every geographical region in its 2006 Wireless Call Quality Study, which is based on a smaller survey of 23,000 wireless users.Teething problems with AT&T's billing process emerged soon after the iPhone's release, as early adopters started receiving exceptionally detailed  monthly telephone bills with one of the most notable being the 300-page iPhone bill that was featured in an online video by blogger Justine Ezarik.Telephia, which tests wireless networks by making over 6 million calls per year in what it claims is the world's largest wireless network test program, initially refused to provide details on its study, and a spokesman for the company has said, according to the Boston Globe, that "Cingular shouldn't have even mentioned the company's name to a reporter.That campaign is continuing.market, with AT&T being the exclusive carrier for the device within the United States