26. Define the goal for using Twitter Image Sources: associatedcontent.com, wampower.com, blog.communiquepr.com, www.blogtalkradio.com, www.talkwow.net
27. Reactive vs. Proactive Image Sources: www.eurotraining.co.uk/fire.htm, www.rhodo.co.nz/images_b/Soothill-Garden-(4).jpg