I forgot to mention, starting with Sims 3 University, your sims' trusty cellphone has been upgraded to a smartphone. You can surf the Internet, which gives a small positive moodlet for 6 hours. After doing this a few times, the new Social Networking skill is unlocked. You can also read skill books to rapidly increase this skill.
Improving the social networking skill unlocks new apps, including the ability to blog from your smartphone! Wonder why anyone would do that? ^_^
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