Events in Westport today -- Friday, Sept. 12

"Westport Visions:" 10 a.m.-4 p.m. Westport Historical Society, 25 Avery Place. Four-decade retrospective exhibit of photographer Larry Silver's local photography. Through Oct. 18. http://bit.ly/WFdYtQ

Drop-In Tech Help: 3-5 p.m. Westport Library. Experts offer free advice and answer questions on using personal electronic devices. http://bit.ly/X2Ol5Y