Nice Video's arcopk.
Here is one that goes into the Details of what Deeming will probably curtail.
ETA - The Main Portion of the Video is about 25 Minutes. Followed by a Q&A section.
Although the Q&A Section is Very Informative, and I High Recommend that people Listen to it, it is Not 100% Necessary to get a Good Understanding of what Deeming is and How it will Effect the e-Cigarette Market.