Litmus recently shared news that is sure to make email designers light up with glee: "On August 31, 2016, Gmail began supporting the CSS property display: none;. And today, Gmail announced they will begin supporting <style> and media queries later this month." Read all about it here.
Industry reporter Ken Magill has changed his mind. Long advocating against required double opt-in, he has now come around and suggests that it is time to implement it. Read more over at Magill Report.