the.com/telemarketing

Cold-calling strangers to sell what they didn't know they could refuse so fast.

means Selling products or services to consumers over the phone, usually uninvited and usually at dinnertime.

from A straightforward 20th-century compound: 'tele-' (Greek for 'far off,' the same root as television and telephone) bolted onto 'marketing.' It surfaced in American business usage as phone networks and call-center technology matured enough to make mass outbound calling cheap and systematic — turning the telephone from a tool of conversation into a tool of sales quota.

origin
took off with 1980s predictive dialers, not politeness
timing law
us rules ban calls before 8am or after 9pm
average yield
most campaigns convert under 2 percent of calls
counter-industry
spawned its own industry, the do-not-call registry
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