Most seasonal positions are related to the uptick in holiday shopping, which creates a broad and deep impact on the economy.

FORBES: The Best-Paying Seasonal Jobs

"Rod Serling's 'Patterns' had a deep impact on me, " Mr. Weiner recalled.

WSJ: It's His Mad, Mad World | Mad Men | A Cultural Conversation With Matthew Weiner | By David Mermelstein

While nation-building under fire certainly isn't a Peace Corps mission, I saw enterprising Peace Corps volunteers make a deep impact on the communities where they were invited to serve.

CNN: From Marine Corps to Peace Corps

Deep Impact has now set its sights on comet Ison during a 36-hour period in mid-January.

BBC: Comet Ison caught on film by Deep Impact craft

GDP, and a deep recession is under way, so the impact on prices of devaluation ought to be limited.

ECONOMIST: Brazil: Downdraught | The

On July 4th, the spacecraft Deep Impact will launch a projectile at Tempel 1, a comet NASA has been watching for a few years.

NPR: NASA 'Deep Impact' Probe Targets Comet

Matloff teaches computer science, and says there's deep public anger over foreign high-tech workers' impact on Americans.

NPR: Critics: High-Tech Visas Cheat U.S. Workers

It is hard to judge how deep corruption goes, or how much of an impact it may have on foreign investment.

ECONOMIST: A country revamped as a service hub grows at Chinese rates

Many of these holidays and deep in-store sales will take place in August, and their impact on retail revenue should be more than negligible.

FORBES: Back to School -- Great for Parents and Retail, Hopefully

Natalie Gross, chief executive officer at global marketing and technology company, Amaze, points out that anyone in business today needs to have a deep-rooted understanding of technology "both in terms of the impact technology has had and will continue to have on society, and how it can be used in a specific business context".

BBC: Eureka moment: Does man or machine drive innovation?