Focus on one topic area and use no more than four bullets per slide.

集中一个话题，并且每张幻灯片不要多于四个关键点。

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You can't find an existing group that addresses your topic area or specific interests.

无法从现有群组中找到包含您的主题区域或特定兴趣的群组；

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Portlet code is provided for each chapter so that, if you do get stuck, you can refer to the solution for that topic area.

每章都提供了Portlet代码，这样，如果有疑难问题，可以参考该主题区域的解决方案。

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If you want to start a new group in your area, start a Discussion Topic under the Discussions tab in the left-hand column on Facebook.

FORBES: Have You Joined or Started a Happiness Project Group? If Not Do You Want To?

They placed it into LinkedIn groups and added their comments on the impact of the technology (the topic of the post) to their particular area of interest or role.

FORBES: Click Here for a Social Media ROI