The fact that they're always working hard to ensure our campaigns are well balanced with content for both social media as well as adsense! They can be quite picky about making sure you've done all of your research before contacting them but honestly their customer service has been nothing short of brilliant so far (even when we got slightly confused!).
I think it's important to look at what other clients have said - some people will only give glowing reviews because others were happy too which isn't necessarily true :) We haven't really found much fault yet either! If there was anything i'd say would improve things further then its perhaps trying out different ad formats / placements etc across various channels rather than sticking within one particular channel or format! It could potentially help get more leads through from sources outside Facebook/Twitter advertising if implemented properly though? As mentioned above this doesn't happen very often however sometimes we do find ourselves getting lost amongst lots of competing promotions by companies who don't understand how marketing works! So maybe try running experiments over time? Our sales I've been working with them for almost 2 years now - they are brilliant to deal too! Very professional services team who know what's best from their clients' point of view as well!! They help you out every step along way making sure your website looks exactly how it should be looking online world wide!! Highly recommended if anyone needs web design or digital marketing solutions. ! Nothing much at all really apart form great customer service.