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iPhone 5, other phones are consuming far more data than tablets
While it might seem logical that, since tablets are better suited to web tasks than smartphones, data consumption would be skewed towards slates. But new data from Arieso suggests the opposite. According to the firm's lastest figures, smartphones including the iPhone 5 handily trumped tablets when it comes to data usage, suggesting that users' data habits don't scale along with the size of a device's screen. The report followed the habits of 1 million mobile users over a 24-hour period in November 2012. According to the report, iPhone 5 users best all other smartphone and tablet demographics in terms of downloaded data, while Samsung's Galaxy S III takes the top spot for data uploads. The iPhone 5 accounts for 50 percent more data usage than the iPhone 4S, and roughly four times as much as the iPhone 3G. "For the first time, smartphone users are consistently consuming more mobile data than tablet users," the report notes. "Out of the top 10 most voracious devices (excluding dongles) six were smartphones, three tablets and one a 'phablet'. Tablet users placed fourth, eighth and ninth." Another interesting figure points to a small segment of users consuming massive amounts of data compared to the rest, with 40 percent of all data being consumed by just 1 percent of users. [Via TechCrunch]
Siri VC Morgenthaler weighs in on iPhone 4S bandwidth badmouthing (Updated)
Back in early January, wireless optimization firm Arieso released a report on the bandwidth usage profiles of various smartphones and other devices. It noted a surge in download and upload usage for the iPhone 4S, moving the new phone ahead of the iPhone 4 and various Android devices to take over the top spot for smartphone bandwidth consumption. At the time, coverage by Reuters and Bloomberg (reiterated by several sites, sorry to say, including TUAW) put the onus for this bump in the pipe on one of the marquee features of the 4S: the voice-controlled digital assistant, Siri. [Arieso's CTO Michael Flanagan spoke about Siri's role in bandwidth usage in a video interview with Bloomberg back when the report was released, and while he doesn't exactly pin all the blame on Siri -- he says the usage is due to increased utilization of 'cloud services' -- Siri does come in for some of the blame. It's not nearly as emphatic as subsequent reports would have it. Video embedded below. –Ed.] Fast forward a few weeks: an op-ed from Paul Farhi in the Washington Post dives back into the Arieso report, recycling the charge that Siri is singlehandedly responsible for pumping up the load on America's cellular networks and degrading data service for everyone. (Farhi stopped short of blaming her for fluoride in the water and the rise of reality television.) This time, however, some consideration of the facts in evidence led us to question his (and our) original conclusions; we know that the math around Siri's data usage just doesn't add up to a consequential amount. We also reached out to Arieso for a copy of the full report, which the company happily and promptly provided. Now there's another voice weighing in, and it belongs to someone who's in a position to know what's what: former Siri board member Gary Morgenthaler. He wrote a guest post for Forbes's web site that thoroughly debunks the notion of Siri as a bandwidth bandit. Siri actually uses only small bites of wireless data, as tested by Ars Technica and backed up by Morgenthaler's inside info. What does Morgenthaler suspect might be at play in the 4S bandwidth numbers? He's careful to couch it as speculation rather than assert it as fact, but the addition of iCloud to the iOS service mix is a likely culprit (especially since buyers of new phones are more likely to set up Apple's cloud service than users of older models, who may be slower to update to iOS 5). Other possibilities include iTunes Match, Photo Stream, or simply the wider chunk of image data captured by the iPhone 4S's improved camera. As Mel noted earlier, the 4S also supports faster 3G downloads than the earlier models. [Photo Stream is WiFi-only, as pointed out by David Barnard.] There's only one issue I saw in Morgenthaler's response, but it's an important one. Morgenthaler suggests that Arieso committed a logical error in citing Siri as the cause of the 4S results: Arieso presents no data to support their claim that Siri causes the increase in iPhone 4S data usage. Most likely, Arieso committed a logical fallacy which, in grammar school, was called "post hoc, ergo propter hoc" - that is, "after the fact, therefore, because of the fact." In other words, Siri is new and associated with the iPhone 4S; therefore, it must be the cause of this increased traffic. It's an appealing argument, but it doesn't hold water. That's also an appealing argument, but he may be pinning the propter hoc on the wrong donkey. Even a cursory review of the Arieso report is sufficient to discover that it does not mention Siri at all, and it makes no such claim that the voice assistant is responsible for the bandwidth hunger -- at least, not in the body of the report. When it comes to the cause of the iPhone 4S's download desire, in fact, the report makes it very clear that it's too soon to draw any specific conclusions (emphasis mine): The iPhone 4S showed an increase of 176% in downlink data volumes over the iPhone 3G. Since the downlink-to-uplink data volume ratio was almost 7-to-1 on average for the devices under study, this downlink increase of 176% corresponds to a larger total volume of data than a 220% uplink increase (discussed in the last section). As noted earlier regarding the increases in total numbers of data calls, it remains a topic for further study to characterise the root cause of this downlink data volume increase. Arieso's research never said Siri was completely to blame, at least not in so many words; it's not clear whether a company representative said something to Reuters to encourage this conclusion in CTO Michael Flanagan's interviews he does say that Siri is a potential part of the issue, but that conclusion is clearly not backed up by the report itself. Did the firm make an effort to correct the record, or was there a calculation that the Siri-related media attention would be more valuable than getting the accurate information out? We don't know, but we've reached out to Arieso's PR folk for comment. It begins to look less like an error of logic and more like a calculus of publicity. Update: Shortly after this post was published, I did speak with Flanagan about the report and the surrounding controversy. While he acknowledges that some of the media coverage of the bandwidth report may have weighed overmuch on Siri, he disavowed any conclusions not present in the original report (despite the fact that the report was only available on request, and as such most interested parties would not have read it). As noted above, the report specifically does not point any fingers regarding the cause of the bandwidth bump. Flanagan did allow that perhaps Arieso will be a bit more assertive about correcting unfounded assumptions the next time the company issues a bandwidth usage report. The Next Web also picked up a key tidbit from the research: the iPhone 4 utilization numbers were from 2010 (rather than comparing the 4 and the 4S during the same time period), meaning that the overall landscape may have shifted during the intervening months. Meanwhile, we're left with the unavoidable conclusion: The Washington Post and Paul Farhi picked a fight with Siri for something she does not do, picking up the "Siri is a data guzzler" concept from the original coverage -- but not from the actual data. Hanging the 4S bandwidth bulge on an innocent intelligent assistant may be great for headlines, but it looks to be wrong on the facts.
Daily Update for January 6, 2012
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iPhone 4S owners use almost twice as much data as iPhone 4 users
Update: Subsequent review of the actual study shows that Arieso is not claiming that Siri is to blame; that was introduced in the Reuters story and other media reports. We have updated our coverage. A new study by telecom network tech firm Arieso shows that owners of Apple's new iPhone 4S are using almost twice as much data with their devices than iPhone 4 users, and almost three times as much as iPhone 3G users. The report, covered by Reuters, shows that the primary driver of the data usage is the Siri intelligent assistant. iPhone 4S users are even consuming more data than iPad 2 users, who are probably more tied to Wi-Fi networks for their consumption of a steady diet of web pages, email, and media. Arieso's CTO, Michael Flanagan, noted that "I use the iPhone 4 myself and when I first heard of the iPhone 4S features I was not compelled to rush out and get one. However, the data usage numbers I am seeing make me wonder what I am missing." Since Apple's introduction of the original iPhone in 2007, the usage of mobile data has roughly doubled each year. Cloud-based services like Siri are widely expected to boost growth of data usage, which will be an issue until more efficient and speedy LTE networks become more widespread worldwide. At this time, Siri is still in beta and has limited functionality outside of the U.S. That's expected to change in 2012, as AppleInsider reports that Apple is hiring software engineers to help with porting Siri to other languages and to work on an API that will expand the natural-language interaction to other applications.
Arieso study: iPhone 4S data use is nearly double that of the of iPhone 4
So, first things first. Arieso, the ouftit that conducted this here study, is a company that makes ends meet by "optimizing mobile networks." In other words, there's just a bit of motivation to find results such as these in studies like this. Now that we've got that cleared up, you may be interested in knowing that Apple's iPhone 4S users are consuming around "twice as much data as the previous iPhone model, and even more than iPad tablets due to increasing use of online services like the virtual personal assistant Siri."Of course, this relates only to those sampled, but there's no question that the inclusion of Siri gives users one more reason to tap into their data plan. According to prior studies, the iPhone 4 used only 1.6x more data than the iPhone 3G, while the iPad 2 consumed 2.5x more data than the iPhone 3G. As time marches on, more and more websites are tailoring themselves for mobile use, and there's obviously no stopping the proliferation of data-sucking apps. Whatever the case, we'd just encourage you to mind that data tier (if you're in one) -- wouldn't want to have to ask Siri how to raise money to cover overages, no would you?
