But, he concedes, they might be useful to door-to-door sales people or consumers who want to share pictures with friends.
The phone put an end to the door-to-door sales, and cold calling was born.
With the rise of television and Internet marketing, door-to-door sales jobs contracted by 40% in the last five years for which data is available, and telemarketer positions declined by 25%.
He pioneered door-to-door stock sales as a means of raising capital from from small-time investors.
True door-to-door field sales is almost extinct, and has of necessity become a hybrid by our definition.
FORBES: What is Inside Sales? The Definition of Inside Sales
It is selling insurance direct to customers, for instance, rather than using the typical approach of having sales ladies going door to door or setting up costly sales networks.
The industry has been on the back foot in the face of these trends with sales - excluding door-to-door transactions - at their lowest level in a decade.
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The Federal Reserve chairman, speaking in Germany on Friday, left open the door to new interest rate cuts as U.S. retail sales data offered a desultory view of the American economy.
That gives the sales force less incentive to push dubious orders out the door to make quarterly earnings estimates.
The company says it is trying to capitalize on rapid sales growth of "bottom freezer, French door" models, which have a two-door fridge above a freezer.
Menierva, a woman who sells pizzas at her front door next to the ministry on Havana's Calle Obispo, said that her sales were rising.
Although, CVS loses out on the front-door sales of cosmetics and other personal care goods by mail facility, it stands to make higher margins on account of lower costs incurred on servicing the consumer.
After all, sometimes it's just about opening the door to get the newspaper in your bathrobe--and not worrying about running into Joe from sales.
Sales took off, previously hard-to-find distributors were knocking at their door and competitors rushed to introduce their own small batch brands.
Serial entrepreneur and founder of SA Baxter, high-end maker of architectural hardware such as door knobs and lights in New York's Hudson Valley, Baxter has managed to clock double-digit sales growth during the recession.
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