Unlike first-party data that is directly collected by whoever uses it, third-party data is information that is collected by a company that doesn’t have a direct relationship with users, e.g. when marketers purchase demographic data from data resellers.
The Interactive Advertising Bureau (IAB) and the Winterberry Group estimate that among US marketers, spend on third-party data increased by 17.5% in 2018 to $19.2 billion.
A June 2018 survey of 255 marketers worldwide by Demandbase and Demand Metric found that four in five respondents were concerned their tech vendors could put them at risk of violating the EU’s General Data Protection Regulation (GDPR), which states that a user’s personal data can be used only if that individual gives a company explicit permission. Companies who violate this law can be fined €20 million ($25.5 million) or 4% of global revenues, depending on whichever is greater.
Researchers from Deloitte and Duke University polled 324 US marketers in August 2018 and found that there was a wide range in how worried marketers were about their third-party data usage raising privacy concerns. Just 10.7% of respondents said they were very worried, while 18.9% said they were not worried at all.
While third-party data may be losing some of its glamour due to rising data privacy concerns, few marketers can rely on first-party data alone to power their biggest campaigns. Third-party data is still a necessity for many marketers.
In fact, marketers' continued need for third-party data was reflected when data aggregator Acxiom was purchased for $2.3 billion in July 2018.
In a September 2018 survey of 226 CMOs worldwide conducted by Forbes Insights and The Trade Desk, nearly one in five respondents said that one of their top data challenges is not having enough third-party data.
Because the GDPR has been in effect for less than a year, it is too early to decipher its affect on third-party data usage. However, there is some early evidence that the law may influence the way advertisers target users with third-party data.
In a spring 2018 study by Sizmek of 522 brand marketers in the US and Europe, 77% of respondents agreed that the GDPR will effect how they use third-party data to target people.
In addition to needing third-party data to scale their campaigns, marketers also find it useful.
In a January 2018 poll by DemandLab of 96 marketing decision-makers in North America, 42% of respondents said that third-party information vendors are an effective data source for their marketing.
Because third-party data comes from an external source, it can be challenging for marketers to pair the information with the right person.
When Wipro surveyed 500 UK and US marketing executives in April 2018, 38% of respondents said that a barrier to improving their return on investment with marketing technology investments is integrating with the right customer and third-party data.
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