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Adult cell phone users who use apps are younger, more educated and more affluent than other adults. Over the last few weeks, the Pew Internet & American Life Project has  been looking at how adults use technology, and a new report released today focuses on app usage among this age group. According to this report, apps are not indispensable for most adults. While about 35% of U.S. adults now have apps on their cell phones, only 24% of adults actually use them. About a tenth of all U.S. adults doesn't even know if their phones can run apps.

Lately, the discussion about texting has mostly focused on teenagers, who now often send hundreds of text messages per day. While voice calling is still the primary use of cell phones for adults, almost three quarters of all adults in the U.S. now send and receive text messages. According to a new study by the Pew Internet and American Life Project, the average adult texter sends and receives 10 messages per day, but a minority (4%) now sends more than 200 messages every day.

The same day on which Facebook has rolled back changes to its default privacy settings, Pew Research has released a report on privacy and reputation among young adults that has some interesting results. Though many have proposed that older generations of Internet users are more concerned with privacy online, Pew's study found that young adults aged 18 to 29 are more likely to monitor their online reputations by changing settings and deleting items on social networks.

A new report from Forrester Research revealed some surprising information: apparently Baby Boomers aren't exactly the technology Luddites that people think they are. In fact, more than 60 percent of those in this generational group actively consume socially created content like blogs, videos, podcasts, and forums. What's more, the percentage of those participating is on the rise.

The share of adult internet users who are involved in social networking online has more than quadrupled in the past four years in the U.S. In 2005, only 8% of adults had a social network profile. As of December 2008, that number was 35%. What motivates those in older generations to go online? Is it the opportunity to professionally network with their colleagues? The answer may surprise you.