Amazon stretched out its annual Prime Day sales event so that it lasted four days and, as a result, blew away previous sales figures.

In lieu of specific numbers from Amazon, Adobe’s insights into broader ecommerce spending during the Prime Day period — which cover over 1 trillion visits to U.S. retail sites, 100 million SKUs and 18 product categories — offer the best, most quantifiable view into consumer behaviors during this critical summer shopping moment.