Implementing a digital transformation strategy is a “must”, rather than an option, and is driven by both external and internal forces, petrochemicals company Sasol Chemicals digital lead Oratile Sematle said on September 8. Speaking during an automation-themed webinar as part of this year’s Electra Mining Africa 2020 Connect virtual event, he explained that, externally, digital technologies and applications were evolving fast, which was driving disruption along the value chain.