JB Hi-Fi is considering replacing some of its cleaning contractors with robots in a bid to automate and save costs, according to one of the company’s non-executive directors, Wai Tang.In a roundtable discussion ahead of International Women’s Day, Ms Tang said disruption and volatility in the sector had led to many changes. Meet Method-2, the manned robot A South Korean giant robot has taken its first baby steps while shaking the ground beneath its weight.