Is the DLT potential real, why haven’t we realised it, will we ever realise any of it? These are all questions worth examining. Here’s my view as we end 2019 and plan for progress in 2020. It’s a long piece; your feedback is really welcome.

Where’s the headphone jack on the latest iPhone? There isn’t one. If you want to use headphones, you need an adaptor. Compatibility is always a consideration when you try to take a big leap forward.