Town and local nonprofit officials are urging New Canaan families this month to unplug their mobile devices and spend more time communicating directly with each other. The Department of Human Services-led “30 Days of Family” initiative this year has taken up “tech-free family time” as its motto. Unplugging forces family members to talk to each other “with their voices and spend quality time making eye contact and practicing listening skills,” according to Jacqueline D’Louhy, the department’s coordinator of youth and family services. “Think about how much teens ‘talk’ to each other electronically,” D’Louhy said. “Sometimes they’ll be sitting in the same room but never utter a word to one another.