After a break in 2016, Cisco organized another edition of its Internet of Things World Forum from May 22nd to May 24th 2017 in London.
At the occasion of that IoT World Forum 2017 the company also released data from a survey which looked at the success and failure rate of Internet of Things (IoT) projects and initiatives, as well as the conditions for IoT success.
https://www.i-scoop.eu/internet-of-things-guide/internet-things-project-failure-success/