Satellite operators still face several political and technological obstacles in their effort to dominate the cable companies.

There are still enormous fiscal and technological obstacles to a national missile defense.

Examples of technological obstacles include authorization, authentication, encryption, firewalls and more.

But many technological obstacles remain.

Businesses trying to profit from Internet gaming must meet player expectations while overcoming the restrictions of slow modems and other technological obstacles.

It faces enormous technological obstacles.

Because of a multitude of obstacles - social, economic and technological - the velocipede sputtered to the end of its usefulness rather quickly.

Given the technological obstacles, even these defenses will be difficult to produce.

The two big technological obstacles are noise - the sonic booms created when aircraft exceed the speed of sound - and high maintenance costs.

This was done; the technological obstacles were gradually overcome, and a working microwave radar set was produced.