Deloitte's 2015 study examined the digital influence on in-store retail purchases among over 3,000 UK consumers, revealing that many retailers underestimate this impact. By the end of 2015, digital interactions are expected to influence £170 billion of retail sales, with consumers who utilize digital tools in-store converting at a 42% higher rate. The research highlights the shift in shopping behavior, with 77% of consumers taking control of their shopping journey through digital means.