Apple's iPhone Raises Ad Impressions As Google's Android Maintains Lead (AAPL)

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and sold 31.2 million iPhones during the last quarter. This has been the trend for Apple for the past several years. Even when Mac and iPad sales decline, the iPhone continues to rise to new heights. At the same time,

popular OS is also expanding its presence in the mobile market. Its growth may be beginning to slow, but Apple still cannot compete with Android in overall sales -- or in ad impressions. In the latest

from Millennial Media, an independent mobile ad and data platform, Android acquired 51 percent of all ad impressions on the network (via

). iOS, the second-place winner, amassed 42 percent of all add impressions -- just nine percent fewer than Android.

, the former tech behemoth that's rumored to be

in time for Thanksgiving, earned seven percent of mobile ad impressions. In measuring individual handsets, Millennial Media found that the iPhone was the ad impression leader with 22.25 percent. Collectively,

various Galaxy S smartphones came in second place after garnering 9.81 percent of ad impressions. Apple's iPad (9.38 percent) and iPod Touch (7.6 percent) came in third and fourth place, respectively. The dated BlackBerry Curve rounded out the top five with 3.6 percent. When broken down by manufacturer, Apple led the pack with a 39.32 percent share. Samsung came in second place with 26.1 percent, followed by BlackBerry with 6.76 percent. On a side note, Millennial Media provided some information regarding the media items consumers use each year. In 2010, they spent an average of four hours and 24 minutes watching TV every single day. By 2013, TV viewing had increased to four hours and 31 minutes. Meanwhile, radio decreased 10 percent (1:36 to 1:26), print media usage decreased 36 percent (0:50 to 0:32) and general online usage dropped two percent (2:22 to 2:19). Pundits are likely to spend weeks theorizing about the reasons why these fluctuations occurred, but the explanation might be a simple one. Many consumers surf the Web on their phones while watching TV, thus killing two birds with one stone. Consumers who do this may be more likely to think of this as a "TV watching" moment over one involving online usage. Disclosure: