Which of these is most important to include in a summary of this Article?
A.Epicenter, a Swedish company, is the first company to implant microchips in workers on a broad scale.
B.Microchips implanted in people use the same technology as contactless credit cards or smartphone payment apps.
C.Monthly events held at a company called Epicenter allow workers to receive an implant free of charge.
D.Epicenter, a Swedish company located in Stockholm, is an office hub used by many startup companies.
