I’m still forming an opinion on the effectiveness of popup overlays. My reservation stems from the potential of creating visitor irritation or ill will. Nevertheless, this article from entrepreneur.com offers many options and different approaches, some of which have merit. It’s definitely worthy of review.
Be sure to download the PDF which gives a quick overview in the form of a grid on all top social media channels and their strengths and weaknesses. This is a great primer for those who are not up to speed on the primary SM channels. Even if you are you may still find this interesting.
This is a good article on maximizing Google+ rankings, related to links and link destinations.
wpmudev looks like a promising source of premium WordPress plugins. It uses the “all you can eat” low monthly subscription model that I’ve seen other premium service sites use. It’s enticing so long as you can continue use after your subscription laps which seems to be the case here.
This is a great resource for all things Twitter. There are tips, how to guides, security and privacy information and much more.