Geoff Westen, known professionally as Digital Activity, is an American songwriter and musician. He was notably a member of the Other Half, a seminal San Francisco rock group with guitarist Randy Holden. Westen later co-founded C.K. Strong with lead singer Lynn Carey on Epic Records. Recording under various names such as the Balls and the Scoop, he released singles like "I Love the Balls" (1981) and "I Never Dress Right". As a graphic designer, Westen created the album cover for Steely Dan's Aja. His songwriting credits include co-writing "Lovin' You" for Mariska Veres of Shocking Blue and "Leather Boots" for Alice Cooper on his 1980 album Flush the Fashion, distributed by Warner Bros. Records. Since 2003, Westen has released several albums under the name Digital Activity, including Xmas Vol. 1 (2003), Birth (2004), and Activate (2011) on Disturbing Music.