Editor’s note: Miika Mäkitalo is the CEO of insights firm HappyOrNot.

Customer dissatisfaction in digital marketing is a complex issue with many variables. Is the lack of personalized attention, the inundation of irrelevant ads or perhaps the nagging persistence of intrusive pop-ups driving your customers away? Or could it be the confusing user interfaces, lack of immediate customer support, slow website load times or simply the overwhelming abundance of choices that makes them unhappy? These are just a few of the myriad challenges companies face in keeping their digital-savvy customers content and loyal.

An unhappy customer is a precarious situation that demands immediate attention and remediation. Discontented customers are more likely to unsubscribe from your marketing campaigns, which can considerably shrink your customer base. Their power extends beyond just one individual's actions; they may share their frustrations with friends, family and the wider community.

Social media platforms and review sites amplify their voices, potentially leading to damaging negative reviews that can harm a brand's reputation and trustworthiness. In a time when consumers can easily and rapidly shift loyalties, the cost of neglecting customer happiness can be monumental.

In an increasingly competitive and tightened economy, retaining customers becomes paramount. According to a Harvard Business Review study, customer acquisition is often five to twenty-five times more expensive than retention. Losing customers means losing their lifetime value and investing more in acquisition efforts to replace them.

Moreover, negative feedback can deter potential customers in a challenging marketplace where word of mouth and online reviews significantly influence purchasing decisions. Losing loyal customers can lead to a significant drop in profitability and may even risk the viability of businesses.

The detriment...