CyberMonday is becoming one of the most critical days for retailers today. According to IBM, Cyber Monday retailers saw online sales increase by 16.7 percent over last year. Retailers are using email and social offers to get the attention of their customers. In fact, according to IBM’s research: On Cyber Monday alone, IBM clients sent nearly 500M email notifications to consumers around the world – a one-day record high. Mobile push outreach continued its rapid growth and was up 47…