A sound signal is converted to an electrical signal by a microphone, generating a voltage signal as an analog of the sound signal, making the sound signal available for further signal processing.

It is intended to attract traffic to a website by linking to the website of the advertiser.

Shared by Twitter user samkalidi.

In 2008, LittleBigPlanet paired traditional 2D platform game mechanics with physics simulation and user created content, earning strong sales and critical reaction.

Number one Tendentious editing by user Andyvphil.

Tom was raised by his grandfather.

Tom was raised by his uncle.

Image by Flickr user Mark Knobil.

Image uploaded to Twitter by Silvia Prieto.

Reporting for Duty by flickr user megabn

Bom Jardim Photo by bdugin at twitpic

Kenta Cho's Titanion

He was brought up by his uncle.

Image by Flickr user andi.vs.zf (CC BY ND 2.0).

Photo by Flickr user Herr_Bert (CC BY SA 2.0)

A photoshopped image by Twitter user Kunshou.

Photo from the Great Hanshin Earthquake by Flickr user mah_japan

Image by Flickr user Sem Paradeiro (CC BY NC 2.0).

Asterisk was created in 1999 by Mark Spencer of Digium.

This is actually what's called, in the digital world, user generated content.

Image by Flickr user Nepaliaashish. Used under a Creative Commons License

Image by Flickr user ILRI (CC BY NC SA 2.0).

Liero is a video game for MS DOS, first released by Finnish programmer Joosa Riekkinen in 1998.

Image by Flickr user Video Volunteers(VV) (CC BY SA 2.0).

Twitter user, 00Nuza, also questioned the logic of the song ban

User driven innovation According to the user driven innovation model, companies can rely on users of their products and services to do a significant part of the innovation work.

Paper is, therefore, a veritable miracle created by man.

Humans of Colombia was created by designer Maurent Roa and architect Gábor Szentpétery.

Image of Mito City, Ibaraki Prefecture by Twitpic user emewmew.

Another image of Mito City, Ibaraki Prefecture by Twitpic user chatokun.

But the situation was summed up well by Twitter user Luiz Gusttavo Senner ( gusttavosenner)

Photo shared by user apriltan18 on Pixabay under a Creative Commons Licence (CC0)

Photo by Flickr user Ahmad Nawawi, used under Creative Commons (CC BY NC SA 2.0)

The number of changes remembered depends upon the editor and is often configurable by the user.

The server can hide itself from cursory looks by users of the system.

usermux (user multiplexer server) Invokes user specific translators.

Photo shared by Flickr user Juliano Marques under a CC license ( Attribution NonCommercial ShareAlike 2.0 Generic)

Image of Japanese cuisine taken by Flickr user Kei Kondo (CC BY NC SA 2.0)

Image shared on Flickr by the user Automobile Italia, used in this piece under the terms of the Creative Commons 2.0 license.

In July 2004, Google acquired Picasa from Lifescape and began offering it as freeware.

User generated content, spreading in businesses in extraordinarily valuable ways like these, celebrating amateur culture.

Photo uploaded by Twitter user Hevallo Kurds in Paris tonight in solidarity with CharlieHebdo JeSuisCharlie TwitterKurds

the Banking Supervisory Group was created by the Committee of Governors and foreshadowed the current arrangements that are organised by the ECB .

Created by writer Gardner Fox and artist Harry Lampert, the original Flash first appeared in Flash Comics 1 (January 1940).

Here's a man announcing the new Market Watch from Dow Jones, powered 100 percent by the user experience on the home page user generated content married up with traditional content.