“…Y eight categories-reformulated/new parts/remerchandising/new improvements/new products/new user/ new market/new customers [29]; Y five categories-systematic/major/minor/incremental/ unrecorded [18]; Y tetra-categorization -incremental/modular/architectural/radical [27], niche creation/architectural/regular/ revolutionary [1], incremental/evolutionary market/ evolutionary technical/radical [42], incremental/ market breakthrough/technological breakthrough/ radical [7], incremental/architectural/fusion/ breakthrough [57]; Y triadic categorization-low innovativeness/moderate innovativeness/high innovativeness [31], incremental/ new generation/radically new [62] and, Y dichotomous categorization-discontinuous/continuous [3,47], instrumental/ultimate [23], variations/reorientations [43], true/adoption [37], original/reformulated [64], innovations/reinnovations [49], radical/ routine [38], evolutionary/revolutionary [59], sustaining/disruptive [9], really new/incremental [50,54], breakthrough/incremental [46], and radical/incremental [5,18,4,30,35,52,56].…”