![Man With a Can Man With a Can](https://blog.33across.com/hs-fs/hubfs/30H.jpg?width=600&name=30H.jpg)
What's the buzz around the office this week? Thanks to mobile and social, digital ad spending has hit an all time high; viewability is increasing in popularity in the UK and Facebook steps up their third-party verification game.
1. Mobile sends digital ad spent straight to the top
![Advertising_Age.png Advertising_Age.png](https://blog.33across.com/hs-fs/hubfs/Advertising_Age.png?width=400&name=Advertising_Age.png)
Watch out print and TV, digital advertising revenue reached $59.6 billion in 2015, up 20% from 2014 according to Interactive Advertising Bureau. Driven mostly by mobile, social media ad spending also grew a whopping 55% in 2015.
2. The importance of viewability growing in the UK
![eMarketer.jpeg eMarketer.jpeg](https://blog.33across.com/hs-fs/hubfs/eMarketer.jpeg?width=200&name=eMarketer.jpeg)
Conversations surrounding viewability are growing in the UK. While marketers across the pond want to know that their ads are seen, UK marketers consider viewability a small piece of the pie. eMarketer explains how factors including impressions and click-thru rates seem to take precedence.
3. Facebook brings in third-party verification
![Ad_Exchanger_Logo-1.png Ad_Exchanger_Logo-1.png](https://blog.33across.com/hs-fs/hubfs/Ad_Exchanger_Logo-1.png?width=200&name=Ad_Exchanger_Logo-1.png)
In response to feedback from its advertisers, Facebook has decided to incorporate third-party verification into its platform. Neilsen, Integral Ad Science and comScore will all work their magic to monitor ads and ensure viewability. With a newsfeed format such as Facebook’s, adExchanger explains how measuring viewability may work.