The most worrying part, though, is the international tendency to top-out at 5GB on data plans.

The most worrying part of the trailer comes with the arrival of the guttural Penelope Cruz.

The most worrying part is not the numbers themselves, but the speed at which those numbers are accelerating.

But the most worrying part of the bushfire mix may not happen in Sydney until this evening when temperatures are far cooler.

Arsenal, once again, are lurching towards another of their now-familiar crises and perhaps the most worrying part is that it all feels so predictable.

The worrying part is that we don't seem to be setting the agenda very well right now, with our centralized servers, PCs and smart phones.