Although Anil successfully delivers a concrete and memorable speech, there is still an extremely effective improvement that can help the audience care more to try Google Photos immediately. Heath brothers suggest that, using testable credentials makes an idea more convincing [2]. A testable credential Anil could have used is to compete his audience in searching photos before he introduces Google Photos. This comparison encourages the audience to try themselves as they wonder: What photo management tool he is using that makes life so simple? This curiosity also appeals to the audience which indeed helps to bring attention[11]. To sum up, technologies of credible, concrete and emotion help Anil communicate in a more memorable and convincible
