The digital equivalent of junk mail. Spam can be an email, text message, social media direct message, or any other unwanted or unsolicited electronic communication. Marketers can ask people to actively opt into email lists and provide easy ways to unsubscribe to prevent their digital marketing communications from being considered spam.
Whether you choose to do your marketing online or offline, one thing does not change. This is the concept that no single marketing strategy will be as effective as a combination of two or more marketing strategies.