However, there is limited published data outside of these case studies, and a reluctance for some practitioners to publish details of their successes (which may be commercially sensitive), therefore hard evidence is difficult to come by. Last, not least, independent advisors or benchmarks show the stickiness and benefits achieved in specific sub-sectors.
Moreover, there is scant published data beyond these case studies, and some practitioners are hesitant to share information about their successes (potentially due to commercial sensitivities). Consequently, concrete evidence is hard to find. Furthermore, independent advisors or benchmarks highlight the stickiness and benefits realized in specific sub-sectors.