Following are findings from recent studies on marketing and advertising-related topics. For a more in-depth look at these subjects, visit our sister site, MarketingCharts.com.

Women Over 55 Fastest Shrinking Age Group on Facebook

Social Media Today debunks a commonly cited statistic that "women over 55 is the fastest growing group of Facebook users." While it was true at one point, Social Media Today writes, it no longer is. The over 55 group had climbed to 16% at the end of March 2010 – but has now become the fastest shrinking age group, judging by third quarter 2010 demographics in Google's Adplanner services. Facebook users under 18 years old have been the fastest growing group during the last six months.

European Mobile Users Prefer Browsers Over Apps

Mobile browser use is most prominent in the UK, with 7 out of 10 mobile media users choosing to find information and content in this way, instead of using mobile apps, according to Orange's Mobile Exposure 2010 report. In France, 68% of users favor the browser over 60% who prefer apps. For certain content such as news, 73% of female mobile media users in the UK prefer to access the web via browser rather than an application (65% for men). In less mature mobile media markets, there is, however, the preference shifts closer to apps. Browser versus application usage in Spain is equal at 42%, while only Polish users favor mobile apps (45%) over the mobile internet (39%).

Mobile Behavior Varies Globally

US mobile users do the most social networking, European mobile users text the most, and Japanese mobile users are the most connected, according to new comScore MobiLens data. Of the three markets, mobile users in Japan were the most "connected", with more than 75% using connected media (browsed, accessed applications or downloaded content) in June 2010, compared to 43.7% in the US and 38.5% in Europe.