2017 is almost over and the gurus are starting to publish next year's big trends. Some are predictable - like AI and Machine Learning - and maybe old trends like AR will be back in vogue. Who knows? Well Mark Walker has a pretty good idea. He runs the Africa office for International Data Corporation (IDC), which is one of the largest research houses in the world. Mark has over 25 years of experience in the information technology and telecommunications industry - so he has his finger on the pulse, and shares with us his thinking around what's important for 2018.