21. Attribution Slide 2: tweet - ' eagle ' by Grant McDonald (September, 2008) Slide 3: retweet - ' Untitiled ' by pasma (June, 2007) Slide 4: follow - ' Porpoising orcas ' by Minette Layne (March, 2007) Slide 5: unfollow - ' The greens ones taste the best! ' by bogdog Dan (September, 2008) Slide 6: belong - ' The ugly duckling ' by pasma (May, 2007) Slide 7: watch - ' Where Troubles Melt Like Lemondrops ' by Thomas Hawk (February, 2006) Slide 8: learn - ' African elephant ' by Arno & Louise (July, 2007) Slide 9: collaborate - ' whale shark ' by otolithe (olivier roux) (September, 2006) Slide 10: investigate -' Risk is when an outcome’s probability is known. Uncertainty is when an outcome’s probability is unknown. ' by wildphotons (January 2007) Slide 11: analyse - ' green eyed lady ' by eyesplash Mikul (June, 2008) Slide 12: discover - ' Ground hornbill ' by Arno & Louise (September, 2008) Slide 13: share - ' Giraffe reflections' by Arno & Louise (April, 2007) Slide 14: converse - ' A perfect set of teeth ' by Everything is Permuted (June, 2007) Slide 15: connect - ' Prarie Dog Love, #2 ' by Thomas Hawk (June, 2005) Slide 16: support - ' Clowning around ' by freebird4 (January, 2008) Slide 17: argue - ' Boxing kangaroos 2 ' by aaardvaark (June, 2006) Slide 18: entertain - ' Humpback calf breach - Silver Bank ' by twin sis (May 2008) Slide 19: procrastinate -' cute puppy ' by klash (July 2007) Slide 20: relax - ' Koala Meditating ' by Erik K Veland (January, 2009) Presentation ' I use Twitter to... ' by Paul Stewart ( www.twitter.com/elearningnews )