Short answer: a ton. Here's the stunning information which shows how many emails the average person receives each day, and what email marketers can do about it.| Campaign Monitor
Discussion of the number of email users worldwide with details on user demographics, email traffic, open rates, and popular service providers.| Financesonline.com
Join me in uncovering the latest email marketing benchmarks to discover the industry standards for open, click-through, unsubscribe and hard bounce rates.| blog.hubspot.com