The real bottlenecks inherent in today's architectures come in the form of barriers to parallelism.

"The real bottleneck is food, of course."

And it's a real bottleneck to growth.

But the real bottleneck isn't limited to the bandwidth squeeze.

There's construction ahead and it can be a real bottleneck.

Power wasn't the bottleneck at all; the real bottleneck was in the approaches, the approximations, the concepts, and the code.

The Standedge tunnel proved to be a real bottleneck, having been constructed without an integral towpath.

The real bottleneck in the use of advanced complex medical treatments is not necessarily access to the drugs but the organisation of their delivery.

Thus far, the real bottleneck is a lack of political will to build those projects or a lack of ability to take appropriate decisions.

The real bottleneck in the holiday shopping season is the time it takes to go shopping.