The artwork is generally created using PowerPoint's AutoShape features, and then animated slide-by-slide or by using Custom Animation.
ðɪ ˈɑːɹtwɜːk ɪz dʒˈɛnɚɹəli kɹiːˈeɪɾᵻd jˈuːzɪŋ pˈaʊɚ pˈɔɪnts ˈɔːɾoʊ ʃˈeɪp fˈiːtʃɚz, ænd ðˈɛn ˈænɪmˌeɪɾᵻd slˈaɪdbaɪslˈaɪd ɔːɹ baɪ jˈuːzɪŋ kˈʌstəm ˌænɪmˈeɪʃən.