The senses identified as being the most common to trigger someone are sight and sound, followed by touch and smell, and taste close behind. A combination of the senses is identified as well, especially in situations that strongly resemble the original trauma.
Telemarketers attempt to sell products to large segments of the population over the phone. Many people are irritated by telemarketers. Telemarketers often use headsets so their hands are free to operate a computer. Telemarketing is one of the most controversial types of marketing.
A recent trend in telemarketing is to use robocalls: automated telephone calls that use both computerized autodialers and computer-delivered pre-recorded messages in a sales pitch. Some can simulate a personalized phone call through personalized pre-recorded messages.