Here is a quick summary of some of the more important and/or interesting news stories on email marketing to cross the transom this week:

New Mobile Inbox and Subscription Data from the Relevancy Group (via ClickZ)
New research shows mobile email usage continues to rise rapidly, with 57% of people checking personal email and 44% checking business email on mobile devices. 1 in 5 are also subscribing to brands’ emails via smartphone or tablet.

Facebook to Roll Out Email and Phone Number Based Targeting (via TechCrunch)
Brand page owners will soon be able to upload email subscriber lists to Facebook and target these users directly with Facebook ads.

Postini Competitors go after Google’s Customers (via COMPUTERWORLD)
Google announced they were shuttering the Postini spam filtering service and migrating customers to Google apps. Postini rivals wasted no time in pitching promotions to Postini clients unsure of the transition.

Inventor of Email Launches Inner City Innovation Fund on 30th Anniversary of Email (via Sacramento Bee)
Email was invented by 14-year-old V.A. Shiva Ayyadurai in 1978, though its official birthday is the date the first U.S. Copywright for Email was issued on August 30, 1982. On the 30th anniversary of that event, (now) Dr. Ayyudari announced the formation of an initiative to award $100K of cash and services to teams of high school students in Newark, NJ (where he lived in 1978) enabling them to turn their innovations into startup businesses.

How to Break Free from Email Jail (via Harvard Business Review)
Lessons from lean manufacturing are applied to inbox management, resulting in filters and processes which keep only relevant messages visible to boost productivity.

Obama, Romney and the Tricky Email Goodbye (via Forbes)
A comparison of the unsubscribe confirmation pages of the presidential candidates.

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