Facebook 是美国智能手机用户使用程度最高的网站
comScore最新发布的数据针对美国智能手机用户的浏览和使用行为进行了分析，报告的关键发现如下：
用户82%的移动媒体消费时间来自APP
在年龄在18岁以上的iOS、Android和RIM智能手机用户中，Google系站点吸引了最多的独立访客，为9400万人，相当于智能手机受众的96.9%，Facebook以7800万受众排第二，到达率为80.4%，Yahoo以6620万用户量名列第三，到达率为68.2%，亚马逊则以4400万的访客在第四位。
通过分析用户使用这些网站的方式发现，App的时间占比最高，平均每5分钟的媒体时间消费中有4分钟来自移动APP。在Facebook这个用户使用程度最高的站点中，80%的时间来自APP用户，20%的时间才来自浏览器。Twitter的比例更高，96.5%的时间来自APP，相比之下微软的站点，82.1%的使用来自浏览器。
| Top Smartphone Properties by Total Unique Visitors (Mobile Browser and App Audience Combined) March 2012 Total U.S. Smartphone Subscribers Age 18+ on iOS, Android and RIM Platforms Source: comScore Mobile Metrix 2.0 |
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| Audience | Engagement | |||
| Total Unique Visitors (000) | % Reach | Browser % Share of Total Time Spent | App % Share of Total Time Spent | |
| Total Audience (Browsing and Application combined) | 97,007 | 100.0% | 18.5% | 81.5% |
| Google Sites | 93,954 | 96.9% | 18.9% | 81.1% |
| 78,002 | 80.4% | 20.0% | 80.0% | |
| Yahoo! Sites | 66,185 | 68.2% | 25.3% | 74.7% |
| Amazon Sites | 44,028 | 45.4% | 14.3% | 85.7% |
| Wikimedia Foundation Sites | 39,073 | 40.3% | 99.8% | 0.2% |
| Apple Inc. | 38,309 | 39.5% | 0.3% | 99.7% |
| Cooliris, Inc | 28,543 | 29.4% | 0.0% | 100.0% |
| AOL, Inc. | 28,021 | 28.9% | 47.4% | 52.6% |
| eBay | 27,190 | 28.0% | 17.6% | 82.4% |
| Zynga | 26,619 | 27.4% | 0.4% | 99.6% |
| 25,593 | 26.4% | 3.5% | 96.5% | |
| Rovio (Angry Birds) | 25,057 | 25.8% | 3.7% | 96.3% |
| Weather Channel, The | 24,131 | 24.9% | 47.1% | 52.9% |
| Microsoft Sites | 23,938 | 24.7% | 82.1% | 17.9% |
| ESPN | 23,317 | 24.0% | 56.8% | 43.2% |
iOS 和Android用户的APP使用差异
Google搜索是Android受众第二大的应用，受众到达量为4490万人，到达率达84.1%，Google地图分别以91.2%的iPhone用户到达率和74.5%的Android用户到达率名列地图应用的榜首。Facebook在两大平台上的排名前五，iPhone用户到达80%，排名第三，Android手中覆盖68.9%，排名第五。
| Top Mobile Apps by Total Unique Visitors (000) for iOS and Android (App Audience Only) March 2012 Total U.S. Smartphone Subscribers Age 18+ on iOS, Android and RIM Platforms Source: comScore Mobile Metrix 2.0 |
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| Top iPhone Apps | Total Unique Visitors (000) | % Reach | Top Android Apps | Total Unique Visitors (000) | % Reach |
| Total Audience: (App Access only) | 32,665 | 100.0% | Total Audience: (App Access only) | 53,360 | 100.0% |
| Apple iTunes (Mobile App) | 32,644 | 99.9% | Android Market (Mobile App) | 49,717 | 93.2% |
| Google Maps (Mobile App) | 29,803 | 91.2% | Google Search (Mobile App) | 44,883 | 84.1% |
| Facebook (Mobile App) | 26,148 | 80.0% | Google Maps (Mobile App) | 39,775 | 74.5% |
| YouTube (Mobile App) | 25,553 | 78.2% | Gmail (Mobile App) | 38,108 | 71.4% |
| Yahoo! Weather (Mobile App) | 22,965 | 70.3% | Facebook (Mobile App) | 36,771 | 68.9% |
| Yahoo! Stocks (Mobile App) | 20,765 | 63.6% | Cooliris (Mobile App) | 28,543 | 53.5% |
| Pandora Radio (Mobile App) | 10,478 | 32.1% | YouTube (Mobile App) | 24,739 | 46.4% |
| The Weather Channel (Mobile App) | 8,817 | 27.0% | Google News & Weather (Mobile App) | 24,134 | 45.2% |
| Temple Run (Mobile App) | 7,415 | 22.7% | Angry Birds (Mobile App) | 16,171 | 30.3% |
| Words With Friends Free (Mobile App) | 6,979 | 21.4% | Words With Friends (Mobile App) | 12,511 | 23.4% |
智能手机为社交网络带去明显很高的使用
以Facebook为例，2012年3月，Facebook智能手机用户在网站上所花费的时间高达7个小时，Twitter智能手机用户当月所花时间为2小时。相比之下，人们在电脑上使用Twitter网站的时间只有20.4分钟，显示出移动对于这些站点的作用。Pinterest，有750万智能手机用户，平均使用时间将近1小时。位置社交网络Foursquare有750万手机用户，平均使用2.5小时。而Tumblr有450万当月平均访问68分钟的手机用户。
| Selected Social Networking Properties (Mobile Browser and App Audience Combined) March 2012 Total U.S. Smartphone Subscribers Age 18+ on iOS, Android and RIM Platforms Source: comScore Mobile Metrix 2.0 |
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| Total Unique Visitors (000) | % Reach | Average Minutes per Visitor | |
| 78,002 | 80.4% | 441.3 | |
| 25,593 | 26.4% | 114.4 | |
| 7,624 | 7.9% | 12.9 | |
| 7,493 | 7.7% | 52.9 | |
| Foursquare | 5,495 | 5.7% | 145.6 |
| Tumblr | 4,454 | 4.6% | 68.4 |
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