Articles and Research The Ups and Downs of Charity at the Checkout Counter: The Chronicle of Philanthropy Five reasons it's okay to just say 'no' to checkout charities: MinnPost.com Donate a dollar at the register? Checkout charity is big business for nonprofits: Tampa Bay Times What your nonprofit can do to engage millennials: Hubspot Blog 4 Insights from the 2015 Millennial Impact Report: Bloomerang Blog 30 stats nonprofits should know when engaging millennials: Hubspot Blog