International Human Resource Management

Which of the following promotion activity rely to a customer database to send promotional messages to customers which is low cost, customizable and allows two-way communication?

Group of answer choices

a Using email and sms messaging to get customers to sign up for an event

b Putting up bus-stop advertising messages around HDB estates

c Setting up a sampling booth at a supermarket

d Putting flyers into the letterboxes of a private condominium.