Many new regulations like PCI DSS V4.0 will be requiring these sort of controls and transparency into Third-party scripts activity. I personally think that a smart VPN is the perfect catalyst launch for what would essentially be a Browser Firewall. If you're interested, You can touch base with ma at maggie@otto-js.com If you want to check me out first You can Google Maggie Louie on find me on linkedin though that;s far less interesting. :)