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A Finnish social networking, microblogging, and lifestreaming service acquired by Google and discontinued in 2012.

Last updated August 31, 2026

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Overview

Jaiku was a Finnish social networking and microblogging service that also pioneered an early form of lifestreaming. It was created by Helsinki-based Jaiku Ltd in February 2006 by Jyri Engeström and Petteri Koponen, and the service launched in July of that year. Its emergence preceded Twitter by roughly a month, placing it among the first consumer services to make short, frequent, status-oriented online posts a central form of communication. The brand name reflected two cultural references. The founders associated the short posts published on the service with Japanese haiku, while the name also alluded to the joik singing tradition of the Indigenous Sámi people of Finland. Jaiku was initially operated by an independent company headquartered in Helsinki and was positioned as a mobile-friendly way to share thoughts, updates, and activity with friends. Users could publish short entries known as “Jaikus,” choosing whether to make them public or private. Interaction took place through the website, a mobile website, and a client application. The mobile client was designed for Nokia phones using the S60 platform and could function as a replacement address book as well as a posting tool. This mobile orientation was significant at a time when smartphones and mobile social networking were still developing, and it gave Jaiku a more device-centered identity than many desktop-first social websites. A major distinguishing feature was Jaiku’s lifestream. In addition to manually written status updates, the service could aggregate activity from external services and devices, including photo activity from Flickr, music listening information from Last.fm, and location information derived from a mobile phone. This made Jaiku less narrowly focused on text updates than Twitter and closer to an automatically assembled record of a user’s online and mobile presence. Jaiku also released an application programming interface that enabled third parties to build software components and integrations, including projects such as Feedalizr. Google acquired Jaiku on October 9, 2007. The financial terms were not disclosed. Following the acquisition, the Jaiku team was reported to have assisted Google with work related to its forthcoming mobile-phone efforts. Google later changed the product’s strategic direction. In January 2009, it announced that Jaiku would no longer be actively developed by the company, that the codebase would be opened to the public, and that a volunteer group of Googlers would maintain the project. New user registrations were closed as part of this transition. Jaiku was relaunched on Google App Engine in March 2009, and the source code for JaikuEngine, an open-source equivalent of the jaiku.com codebase, was released shortly afterward. The project was presented as a customizable microblogging platform that could also support enterprise use. In the open-source version, however, the original lifestream functionality was removed, reducing the distinction between Jaiku and more conventional microblogging systems. Google announced in October 2011 that Jaiku would be shut down by January 15, 2012, alongside several other discontinued or reduced social products. A group of former users subsequently established Jaikuarchive.com in November 2011 to preserve the service’s historical record and digital heritage. That archive later disappeared. Jaiku therefore survives primarily as an example of the early mobile-social and lifestreaming era, as an open-source code project, and as an important precursor in the development of status-sharing platforms rather than as an active consumer brand.

History

Jaiku originated in Helsinki in February 2006, when Jyri Engeström and Petteri Koponen founded Jaiku Ltd. The company developed a service that combined social networking with short-form publishing and automatic activity aggregation. Jaiku launched publicly in July 2006, approximately one month before Twitter, and became part of the first generation of services to make brief, continuous status updates a central online behavior. The service’s name drew on the founders’ association between its short posts and Japanese haiku. It also referenced the joik, a traditional singing form associated with the Indigenous Sámi people of Finland. This naming helped connect the product to both the compact form of its messages and its Finnish origins. Jaiku was built for use across a website, mobile website, and mobile client. Its software supported Nokia S60 devices, which were widely used before modern smartphone ecosystems became dominant. The Jaiku Mobile client allowed users to publish updates from their phones and served as a replacement address book. Users could write public or private “Jaikus,” follow or interact with contacts, and maintain an ongoing personal presence through the service. The product’s most distinctive concept was lifestreaming. Jaiku could display feeds derived from other online services and mobile signals, including photos posted to Flickr, music activity from Last.fm, and location information from a mobile phone. This approach treated a user’s online life as a combined stream of manual posts and automatically generated activity. It differentiated Jaiku from Twitter’s more text-centered model and anticipated later interest in aggregating identity, presence, location, and media behavior in one interface. Jaiku also provided an API for third-party development. External programmers could create software components and integrations, including Feedalizr. The API strategy reflected the broader web-platform trend of allowing independent developers to extend social services beyond their original interfaces. Google acquired Jaiku on October 9, 2007. The purchase terms were not made public. After the acquisition, Jaiku personnel were reported to have helped Google with its planned mobile-phone work, but the service did not become a long-term flagship social product for Google. On January 14, 2009, Google announced that it would no longer actively develop the Jaiku codebase. Instead, it planned to open-source the project and leave ongoing work to a volunteer team of Googlers. New registrations were closed during this change in direction. On March 12, 2009, Jaiku was relaunched on Google App Engine. The following day, Google released JaikuEngine, an open-source equivalent of the jaiku.com codebase. The project was framed as a customizable microblogging system with potential applications in enterprise environments. The open-source version did not retain the original lifestream function, removing one of Jaiku’s principal product distinctions. Google ultimately announced on October 14, 2011, that Jaiku would shut down by January 15, 2012. The decision came in the same period as the closure or reduction of other Google social features, including Google Buzz and social elements associated with iGoogle. Jaiku therefore ended as a hosted consumer service after less than six years of operation, although its released code remained historically significant. On November 29, 2011, former users created Jaikuarchive.com to preserve the service’s content and cultural history. The archive’s original site later went offline, reportedly by 2014. By February 2019, the Jaiku domain no longer served the original product and returned an error page on Google’s infrastructure. Jaiku is now best understood as a discontinued precursor to modern microblogging and lifestreaming, notable for its mobile orientation, external-feed integration, open-source transition, and role in the early evolution of social presence services.

  • 2012

    Hosted service discontinued

    [1]

    The original Jaiku service was shut down on January 15.

  • 2011

    Shutdown announced

    [1]

    Google announced that Jaiku would close by January 15, 2012.

  • 2009

    Open-source transition announced

    [1]

    Google announced that it would cease active development, close new registrations, and open-source Jaiku.

  • 2009

    JaikuEngine released

    [1]

    Jaiku relaunched on Google App Engine and JaikuEngine source code was released.

  • 2007

    Google acquisition

    [1]

    Google acquired Jaiku on October 9; the financial terms were not disclosed.

  • 2006

    Jaiku Ltd founded

    [1]

    Jyri Engeström and Petteri Koponen founded Jaiku Ltd in Helsinki in February.

  • 2006

    Public service launch

    [1]

    Jaiku launched in July as a social networking, microblogging, and lifestreaming service.

Products and positioning

An early mobile-first social service combining short status updates, interpersonal networking, third-party activity feeds, and location-aware lifestreaming.

  • Social networking and microblogging service · 2006

    Jaiku.com

    The core Jaiku website allowed users to publish short entries called Jaikus, share personal thoughts and activities, and communicate with contacts. Posts could be public or private. The service combined conventional social networking with a continuous stream of updates and external activity feeds.

  • Mobile social application

    Jaiku Mobile

    Jaiku Mobile was a client for Nokia phones using the S60 platform. It enabled users to publish updates from mobile devices and operated partly as a replacement address book. Its mobile design supported Jaiku’s emphasis on presence, location, and continuously updated personal activity.

  • Open-source microblogging platform · 2009

    JaikuEngine

    JaikuEngine was the open-source equivalent of the Jaiku.com codebase, released after Google ended active product development. It was relaunched on Google App Engine and intended to support customizable microblogging deployments, including possible enterprise uses. The open-source version did not retain the original lifestream feature.

Brand decisions

  • 2011

    Shutdown of the hosted Jaiku serviceOther

    Background

    Google announced the decision during a broader period of consolidation affecting several of its social products and features.

    Action taken

    Google announced that Jaiku would be shut down by January 15, 2012.

    Aftermath

    The hosted consumer service ceased operation, while former users organized an independent archival effort to preserve its history.

  • 2009

    Open-source release and end of active developmentStrategy

    Background

    Google had acquired Jaiku but chose not to continue investing in the hosted product as an actively developed consumer service.

    Action taken

    Google stopped active development, closed new registrations, and transferred stewardship toward a volunteer team of Googlers while opening the codebase.

    Aftermath

    Jaiku relaunched on Google App Engine, and JaikuEngine was released as an open-source and customizable microblogging platform. The original lifestream capability was removed from the open-source version.

  • 2007

    Google acquisitionM&A

    Background

    Jaiku was an independent Finnish social service operating in the early microblogging and mobile-social market.

    Action taken

    Google acquired Jaiku on October 9, 2007. The transaction’s financial terms were not disclosed.

    Aftermath

    Jaiku continued under Google ownership, while members of its team were associated with work on Google’s forthcoming mobile-phone project.

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