John's Phone is a minimalist mobile phone designed by Hein Mevissen and Diederiekje Bok of the Dutch advertising and design agency John Doe Amsterdam, built to do nothing but make and receive calls, with no camera, internet access or text messaging. It runs on any GSM SIM card, holds a 1,200 mAh battery good for about three weeks on standby, supports caller ID and speed dial, and has a keypad limited to the digits 0 through 9 plus asterisk and hash, along with a physical 32 page address book attached to its back. Marketed toward young children, older adults and people wary of technology, and promoted as the world's simplest phone, it drew criticism for its high price relative to its simplicity and its rough build quality, but Fast Company praised its interface design in 2010 and it was added to the collection of Barcelona's Museum of Ideas and Innovation. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Classification
Sector (GICS) Offering Kind Connections
In Sector
Entity identity for the business product-service.sector GICS enum value this member already carries, per the phase 3 entity-backed browse bucket pilot (docs\design_entity_backed_browse_buckets_20260928.md, owner decision 2026-09-28 on business product-service.sector, w-bucketpilot-gics-0929). The sector fact itself, with its own citation, remains on the member entity unchanged; this edge only adds the durable entity identity the enum value already names.
Sources
1. Wikipedia, John's Phone
Introduction, GICS sector classification
John's Phone is a minimalist mobile phone that claims to be the world's most basic cellphone, allowing the user only to make and receive calls, with none of the features of modern smartphones such as a camera, internet access and text messaging.
Introduction, offering kind classification
John's Phone is a minimalist mobile phone that claims to be the world's most basic cellphone, allowing the user only to make and receive calls, with none of the features of modern smartphones such as a camera, internet access and text messaging.
View the SourceWikidata: John's Phone
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