COLUMBIA, Md.–(BUSINESS WIRE)–Merkle (www.merkleinc.com), a leading technology-enabled, data-driven customer experience management (CXM) company, released its Q1 2021 Digital Marketing Report (DMR), a quarterly research report that analyzes and highlights trends within paid and organic search, Amazon ads, paid social, and display ad spend. The report provides insights into Q1 2021 digital marketing trends that were heavily influenced by an accelerated COVID-19 vaccine distribution, along with