
What Actually Gets Opened in Manufacturing Communications — Email, SMS, WhatsApp, LinkedIn, Push, AI Assistants in 2026
Industrial B2B email open rates collapsed from 30% to 12-16%. Caterpillar, John Deere, Boeing, TSMC, Siemens, 3M, Stellantis — the seven-channel discipline (email, SMS, WhatsApp, LinkedIn, push, AI assistants, plus government affairs) replacing newsletter broadcast in 2026.









