57% have scanned a QR code for product details while in an electronics store, compared to 36% who have done so in a department store, the next most-popular location for this activity. Other stores where smartphone shoppers have scanned QR codes are mass merchandisers (31%), grocery stores (26%), office supply stores (20%), clothing stores (16%), and convenience stores (8%). Just 5% have done so in a furniture store, and only 2% in a dollar store.

95% of U.S. email users had joined email lists to receive discounts.  What that suggests is that consumers are perfectly willing to share personal information with retailers, in exchange for lower prices.

Studies have show that QR codes are best aimed at certain demographics–usually male, upper income and beyond the teen and twenty-something years. Another category, some retailers are discovering, is the harried commuter.

Building up an email marketing contact list is not an exclusively online activity

Writing strong subject lines appear to be the best ways to ensure email opens, according to March 2012 survey results

The remaining roughly 1 in 4 emails that did not reach the inbox wound up either in a spam/junk folder (8.7%) or were blocked by ISP-level filtering (15.1%). Regionally, Europe had the highest rate of commercial emails reaching the inbox (85%), followed by North America (79%), Central and Latin America (72%), and Asia-Pacific (67%).

Morning emails saw an average open rate of 39.2%, ahead of those sent at midday (33.9%), in the late afternoon (32.1%), and at night (32%). However, emails sent in the morning had the lowest click rate (16.5%), behind ones sent at night (18.6%), at midday (19.7%), and in the late afternoon (21%).

18% of mobile users surveyed in Q4 2011 reported having scanned a QR code in the past 90 days, according to a JiWire report released in February 2012.

According to The State of Email Marketing in SMBs, by GetResponse, most small-to-midsize businesses (SMBs) have mastered the basics of organic email list-building, making use of Web-based sign-up forms and even offering incentives to encourage subscriptions, but fewer than half use any type of email-to-social collaboration, limiting the potential of cross-channel marketing.

There are ten words most likely to trigger a spam filter, All Spammed Up reports.  These are...