And because no common law governs software and Internet-access transactions, proponents say manufacturers have nearly exclusive power to decide software sales terms.
Congress's exclusive power of the purse is the strongest such curb.
So there is no merit to the suggestion that the exclusive power to recognize States allows the President to make treaties without Senate advice and consent.
The framers created Congress to be another body, unaccountable to the executive, to be entrusted with the nation's security and with the exclusive power to make war.
State law gives electric utilities, including Georgia Power, exclusive rights to serve customers in designated areas of the state.
They remained outside the great social networks of English life, those exclusive clubs that conferred inherited privilege and power and determined your prejudices, associates, and affiliations.
Among the features shared with the Nokia Lumia 920 and Nokia Lumia 820 are exclusive camera lenses that transform the creative power of the Nokia Lumia 620's five megapixel main camera and VGA front-facing camera.
ENGADGET: Nokia Lumia 620 announced: 3.8-inch WVGA display, 5MP camera, $249
The new C-MAX Energi also has 60 more horsepower than the Prius plug-in hybrid considering full battery power, along with class-exclusive technologies such as hands-free liftgate and active park assist for easier parallel parking.
ENGADGET: Ford C-Max Energi pricing: $29,995 after a federal tax credit, available this fall
If Apple is using its existing iTunes leverage to force exclusive arrangements, which likely will give it durable market power, it may well be violating the antitrust laws.
FORBES: Will Apple iCloud Bring An Antitrust Litigation Storm?
The surprise: how Intel is using that power to secure high-definition video for users, and some exclusive Hollywood deals for itself.
The UPA provides all Powerline players the opportunity to respond to key customer expectations with open standards, based on interoperability, security and coexistence and supported by exclusive and independent certifications, the only global guarantee of quality and confidence for high-speed power line technology available today.
ENGADGET: UPA and HomeGrid Forum agree to support G.hn networking standard
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