If sales data are any indication, more consumers are saying goodbye to coffee filters, tea bags and the long wait to brew. According to data from Chicago-based market research firm IRI, dollar sales within the shelf-stable ready-to-drink (RTD) tea and coffee category shot up 9.5% during the 52 weeks ending Aug. 8, 2021, to $7,647.5 million. Unit sales increased 3.0% to 3,044.1 million.