Radio sets. Mostly AM, gradually FM.
The historical function of the television is an entertainment and marketing device. Originally the entertainment function was primary, but advertising and revenue it generates has become the primary function.
A device or gadget which provides entertainment via the means of media
Yes. Anything that entertains you is considered an entertainment device. Things like TV, MP3, consoles, computers, cell phones, etc. can all be entertainment devices.
yes is was a labor-saving device
The radio and the television
Device spoofing is a technique used by fraudsters to falsify information about the device viewing an ad, making it appear as if a legitimate user is interacting with the ad when it's actually a bot or automated script. This form of ad fraud artificially inflates engagement metrics, such as clicks or views, leading advertisers to believe their ads are more effective than they actually are. By mimicking legitimate user behavior, device spoofing can evade detection by traditional fraud detection methods, making it a significant challenge in maintaining the integrity of digital advertising campaigns.
Jingles are used in advertising as a mnemonic device to associate with and sell the product
An individualized audio device
it is used for entertainment since it don't have a main use.
a cellphone
fixing vibrating device was just the advertising strategy of Volkswagen just to create curiosity among the readers.
the seatbelt