1988 David Devine Special to the Arizona Daily Star Aug 14, 2015 Aug 14, 2015 Updated Aug 20, 2015 Shawn Nave, ingeniero mecánico, en IBM dentro del Parque Tecnológico de la UA (UA Tech Park) el 24 de julio de 2015. Benjie Sanders / Arizona Daily Star Prefer us on Google Learn More Facebook Twitter Bluesky WhatsApp SMS Email Print Copy article link David Devine Special to the Arizona Daily Star 1988IBM lays off half its total local workforce less than a decade after its arrival brought economic optimism and a real estate boom. Subscribe to stay connected to Tucson. A subscription helps you access more of the local stories that keep you connected to the community. Be the first to know Get local news delivered to your inbox! Sign up! * I understand and agree that registration on or use of this site constitutes agreement to its user agreement and privacy policy. Related to this story Timeline of Tucson's First 240 Years Some of the major historical events that have shaped Tucson.