من قبل
Ghina Said , Public Diplomacy and Media Outreach Expert , European Union Delegation to the UAE
I am not sure if what you meant is social media marketing news or if you meant uptodate marketing techniques. If it is the former, then I would opt for:
* http://mashable.com/
However, if it is the later, then your best bet is to google/youtube/wiki and choose the sites that work best for you.