Videotelephony is the use of audio and video for real-time communication between people.
A telepresence system in 2007
Videotelephony predicted to be in use by 2000, as envisioned in 1910 (artist's conception)
Videotelephone booth, 1922
Multiple user videoconferencing first being demonstrated with Stanford Research Institute's NLS computer technology (1968)
A smartphone is a mobile device that combines the functionality of a traditional mobile phone with advanced computing capabilities. It typically has a touchscreen interface, allowing users to access a wide range of applications and services, such as web browsing, email, and social media, as well as multimedia playback and streaming. Smartphones have built-in cameras, GPS navigation, and support for various communication methods, including voice calls, text messaging, and internet-based messaging apps.
A smartphone displaying the homepage of the English Wikipedia
The Nokia 9110 Communicator, opened for access to keyboard
Several BlackBerry smartphones, which were highly popular in the mid-late 2000s
The LG Prada with a large capacitive touchscreen introduced in 2006