Android is a mobile operating system based on a modified version of the Linux kernel and other open-source software, designed primarily for touchscreen-based mobile devices such as smartphones and tablets. It is the world's most widely used operating system due to it being used on most smartphones and tablets outside of iPhones and iPads, which use Apple's iOS and iPadOS, respectively. As of October 2024, Android accounts for 45% of the global operating system market, followed by Windows with 26%.
A lifelog is a personal record of one's daily life in a varying amount of detail, for a variety of purposes. The record contains a comprehensive dataset of a human's activities. The data could be used to increase knowledge about how people live their lives. In recent years, some lifelog data has been automatically captured by wearable technology or mobile devices. People who keep lifelogs about themselves are known as lifeloggers.
Foursquare City Guide, commonly known as Foursquare, is a local search-and-discovery mobile app developed by Foursquare Labs Inc. The app provides personalized recommendations of places near a user's current location based on users' previous browsing history and check-in history.
Gowalla is a location-based social networking service. It originally launched in 2007 and closed in 2012, but was relaunched on March 10, 2023. Users are able to check in at "Spots" in their local vicinity, either through a dedicated mobile application or through the mobile website. Checking-in will sometimes produce virtual "items" for the user, some of which are developed to be promotional tools for the game's partners. As of November 2010 there were approximately 600,000 users. In January 2021, Gowalla made an announcement that the app is coming back in 2022.
Bump was an iOS and Android mobile app that enabled smartphone users to transfer contact information, photos and files between devices. In 2011, it was #8 on Apple's list of all-time most popular free iPhone apps, and by February 2013 it had been downloaded 125 million times. Its developer, Bump Technologies, shut down the service and discontinued the app on January 31, 2014, after being acquired by Google for Google Photos and Android Camera.
Telenav, Inc. is a wireless location-based services corporation that provides services including Global Positioning System (GPS) satellite navigation, local search, automotive navigation solutions, mobile advertising, enterprise mobility and workflow automation. The company’s headquarters are located in Santa Clara, California in the United States with additional offices in the U.S., Germany, Japan, Romania, China, and Brazil.
tvtag was a social networking website and mobile app for television fans. Users "check into" the shows, movies and sports that they consumed using a website, mobile website, or mobile app.
Rakuten Viber, or simply Viber, is a cross-platform voice over IP (VoIP) and instant messaging (IM) software application owned by Japanese multinational company Rakuten, provided as freeware for the Google Android, iOS, Microsoft Windows, Apple macOS and Linux platforms. Users are registered and identified through a cellular telephone number, although the service is accessible on desktop platforms without needing mobile connectivity. In addition to instant messaging it allows users to exchange media such as images and video records, and also provides a paid international landline and mobile calling service called Rakuten Viber Out. As of 2018, there are over a billion registered users on the network.
Messenger, also known as Facebook Messenger, is an American proprietary instant messaging service developed by Meta Platforms. Originally developed as Facebook Chat in 2008, the client application of Messenger is currently available on iOS and Android mobile platforms, Windows and macOS desktop platforms, through the Messenger.com web application, and on the standalone Facebook Portal hardware.
Untappd is a geosocial networking service and mobile phone application founded by Greg Avola and Tim Mather that allows its users to check in as they drink beers, and share these check-ins and their locations with their friends. It incorporates aspects of gamification.
Jiepang (Chinese: 街旁; pinyin: Jiēpáng) was a Chinese social networking service for mobile devices, such as smartphones. Users can download the Jiepang app to track and share life moments with friends. In July 2013, Jiepang launched an all new design in version 5.0, which evolved from its origins as China's leading location-based service (LBS) for the "check in". Jiepang helps users record and track all of their life activities, connect with friends in specific moments and explore communities of people that have similar interests.
Snapchat is an American multimedia instant messaging app and service developed by Snap Inc., originally Snapchat Inc. One of the principal features of the multimedia Snapchat is that pictures and messages are usually available for only a short time before they become inaccessible to their recipients. The app has evolved from originally focusing on person-to-person photo sharing to presently featuring users' "Stories" of 24 hours of chronological content, along with "Discover", letting brands show ad-supported short-form content. It also allows users to store photos in a password-protected area called "My Eyes Only". It has also reportedly incorporated limited use of end-to-end encryption, with plans to broaden its use in the future.
Nearby was a location-based social networking service launched in June 2010 and discontinued in September 2021 following a significant data breach. The service was created by Brian Hamachek and was known for leveraging the GPS technology in mobile devices to help users discover and interact with others located nearby, although explicitly not intended for dating, dating was the primary use case for the app.
Digg Reader was a news aggregator operated by Digg. The reader was released on June 26, 2013 as a response to Google Reader shutting down. The reader was web-based and also had iOS and Android applications as well as a Google Chrome extension. The beta for the reader has received mostly positive reviews. On March 26, 2018, Digg shut down Digg Reader.
Life360 Inc. is a San Mateo, California–based American information technology company that provides location-based services, including sharing and notifications, to consumers globally. Its main service is called Life360, a family social networking app released in 2008. It is a location-based service designed primarily to enable friends and family members to share their location with each other.
Facebook Paper was a standalone mobile app created by Facebook, only for iOS, that intended to serve as a phone-based equivalent of a newspaper or magazine. The app was announced by Facebook on January 30, 2014, and released for iOS on February 3, 2014. The iPhone app appeared in the iOS App Store as "Paper – stories from Facebook"; there was no iPad version. Facebook shut Paper down on July 29, 2016.
Timehop is an application for smartphones that collects old photos and posts from Facebook, Instagram, Twitter, Apple Photos, Google Photos and Dropbox photos and distributes the past. The company was founded in 2011 by Jonathan Wegener and Benny Wong. As of January 2016, Timehop had 12 million users.
23snaps Ltd.is a free, private social network and photos, videos, measurements and stories of their children to a digital journal and privately share those updates with other family members or close friends. 23snaps is available online and on mobile devices and launched 1 June 2012.
Foursquare Labs Inc., commonly known as Foursquare, is a geolocation technology company and data cloud platform based in the United States. Founded by Dennis Crowley and Naveen Selvadurai in 2009, the company rose to prominence with the launch of its local search-and-discovery mobile app. The app, Foursquare City Guide, popularized the concept of real-time location sharing and checking-in.
