Danny Palmer: Internet of Things, virtual reality, phones and more: What to expect at Mobile World Congress 2016

It's that time of year again, and Mobile World Congress is almost upon us. There was a time when the conference -- which takes place in Barcelona from 22 to 25 February -- was just a mobile phone show, but that's long gone.

Technology has evolved and MWC has evolved with it, becoming a place where many of the world's big technology firms -- aside from one notable absentee -- want to demonstrate their products.

No longer is 'mobile' just something for phones; vast swathes of related technologies will all be demonstrated at the show, which this year boasts the tagline 'mobile is everything', making it clear that the days of MWC as a niche show are long gone. Here's a rundown of what are mostly likely to be the key themes of Mobile World Congress 2016.