$1)($a$)$ For the digital transformation in the case of LegalTechCo$-$ describe how the three pillars of digital transformation $($customer experience, operational processes, and business model$)$ were being redefined$/$addressed in the article? $($b$)$ Which pillar is the starting point for the digital transformation initiative and which pillar is expected to see the most redefinition? Justify your answer with specific illustrations from the case