For the widest audience reach, HTML 5 is your best bet.
Normally in Trends & Takeaways, we don’t discuss geeky technology topics. After all, this is a marketing blog. However, HTML 5 is emerging as a technology that marketers need to be mindful of when developing mobile and email strategies. HTML 5 has been around since 2009, and is the Web’s 5th generation markup language. Only recently, however, has the standard become widely adopted. In particular, this new markup language includes features to handle multimedia and graphical content on the web without the need for proprietary plugins such as Flash.