What exactly are social media? Social media are defined as webbased, mobile media that can __1__ (use) to connect with each other.
There are several types of social media. The first type involves people getting together to work on a project. Wikipedia (维基百科) is __2__ example of this type of social media. There are other types that allow people __3__ (share) content such as pictures and articles. Another type of social media is websites like Second Life, __4__ people can create objects, as if they __5__ (be) in the real world. The final type is social networking sites that can make people stay in touch with __6__ (friend)．
Social media are different from __7__ (tradition) media. In the past, media were created in one place, __8__ (normal) a company. Then the company would send out the media, like newspapers and magazines, to consumers. But __9__ social media, many individuals in different locations can create content. In addition, a few minutes are spent __10__ (write) a twitter post today, while it would take many months to edit a magazine in the past.
