I've been trying out the fantastic Prezi.com which offers up a great way to create engaging and entertaining presentations without the routine bulletpoint-after-bulletpoint plod that we've all become usefd to. Once you've got up to speed on the videos and tutorials you are away. It's easy to share and embed amazing presentations and, in digging around the site, I even found several useful Social Media presentations! Here are a couple to check it out. Tab through the presentation by pressing Play triangle.