There's no denying we're in the age of disruption. That's why Ngugi Mungai says not to wait for another Uber to drive you out of the market - while the digital revolution has left many casualties along the way, it's also created huge opportunities for growth, particularly in the realm of mobile business.

Keeping mobile front and centre, Ericsson's recent Africa Night event took this a step further by discussing the establishment of smart cities as part of the process of developing a connected Africa.

As responsive design and visual content is set to play a major part in the mobile business future, Charles Mburugu shares guidelines for using images in blog posts. These include making sure your images are optimised for search engines and users alike, as well as using images of real people rather than generic stock images - here's why...

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