eBay & Alphabet
eBay and Google have a significant advertising relationship, with Google Shopping being one of eBay's primary customer acquisition channels for product discovery. eBay spends approximately $1-1.5B annually on Google Ads to drive traffic to its marketplace listings, making it one of Google's largest advertising customers. The relationship has historically been contentious, with eBay publicly boycotting Google Ads in 2014 following a Google-PayPal dispute and running academic research claiming Google Search ads provide negligible ROI at scale.
Why it matters: Google Shopping captures consumers at the high-intent product search moment, and eBay's millions of unique listings across secondhand, collectibles, and specialty categories are valuable Google Shopping inventory that Google wants in its product graph. eBay's ability to reach new buyers through Google organic search and paid shopping ads directly impacts eBay's GMV growth, making Google an unavoidable marketing channel despite eBay's historical ambivalence about its dependence.