Filling in the gaps is often the job of scientists working quietly in the laboratory.

BBC: 'No-one had heard of my boys' syndrome'

She's also something of a fibre fanatic - try telling her that satellite or 4G or any number of other technologies might be a more economic way of filling in the gaps in broadband coverage, and you'll get short shrift.

BBC: DIY fibre broadband

But no-one seemed to know what to legislate for or against and, meanwhile, the migrants set about filling gaps in the labour force.

BBC: RELATED BBC SITES

The real issue is this: migrants are filling gaps in the labour market left wide open by a welfare system that for years has paid British people not to work.

BBC: In full: David Cameron immigration speech

While vector-based rendering isn't original in itself, the researchers' method is supposedly unique in filling the gaps between the contours with the kind of visual quality a pro videographer would crave.

ENGADGET: University of Bath develops efficient vector-based video, says pixels are old hat

In a nutshell, these are the ever-changing and rank-ordered intelligence gaps in need of filling.

CNN: Work like a spy to be the best boss

For them, Uber is great for filling in the request-for-service gaps that regularly reveal themselves.

FORBES: Uber, The Amazing Car Service, Lays Waste to Worry About Income Inequality

Adding capacity and connecting continents, Gulf carriers will continue to play a crucial role in helping airlines and alliances expand their networks, filling their geographical gaps.

CNN: Gulf airlines shake up aviation alliances

She highlighted the 90% decline in fish populations from baseline measurements and said that scientific challenges include acquiring an integrated global view, filling knowledge gaps, and knowledge on how humans can use and protect the oceans.

UNESCO: EDUCATION