In May 2017, it was reported that WhatsApp users spend over 340 million minutes on video calls each day on the app. In May 2016, some WhatsApp users were reported to have been tricked into downloading a third-party application called WhatsApp Gold, which was part of a scam that infected the users’ phones with malware. Since the complete roll out of this feature, users cannot check old messages before this period on the Web version anymore.
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In November 2019, WhatsApp released a new privacy feature that let users decide who can add them to groups. The feature has to be turned on by the user and provides the option to encrypt the backup either with a password or a 64-digit encryption key. They expressed the concern that regular WhatsApp users still could not tell the difference between end-to-end encrypted messages and regular messages. WhatsApp uses a “store and forward” mechanism for exchanging messages between two users.
On August 24, 2014, Koum announced on his Twitter account that WhatsApp had over 600 million active users worldwide. The hack, allegedly developed by Israeli surveillance technology firm daman game online NSO Group, injected malware onto WhatsApp users’ phones via a remote-exploit bug in the app’s Voice over IP calling functions. An integer overflow bug allowed a malicious user to take full control of the victim’s application once a video call between two WhatsApp users was established. There were a series of incidents between 2017 and 2020, after which WhatsApp announced changes for Indian users of the platform that labels forwarded messages as such. On April 5, 2016, WhatsApp and Open Whisper Systems announced that they had finished adding end-to-end encryption to “every form of communication” on WhatsApp, and that users could now verify each other’s keys. In November 2017, WhatsApp implemented a feature giving users seven minutes to delete messages sent by mistake.
- Some time in 2013 WhatsApp acquired Santa Clara–based startup SkyMobius, the developers of Vtok, a video and voice calling app.
- Further, the Cabinet Office had claimed that since many messages were not relevant to the inquiry, it only needed to hand over material it had selected as being relevant.
- In April 2011, Sequoia Capital invested about $8 million for more than 15% of the company, after months of negotiation by Sequoia partner Jim Goetz.
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The application can store encrypted copies of the chat messages onto the SD card, but chat messages are also stored unencrypted in the SQLite database file “msgstore.db”. WhatsApp confirmed the partnership to reporters, but there was no announcement or documentation about the encryption feature on the official website, and further requests for comment were declined. Open Whisper Systems said that they had already incorporated the protocol into the latest WhatsApp client for Android, and that support for other clients, group/media messages, and key verification would be coming soon after. On November 18, 2014, Open Whisper Systems announced a partnership with WhatsApp to provide end-to-end encryption by incorporating the encryption protocol used in Signal into each WhatsApp client platform. In February 2015, WhatsApp implemented voice calling, which helped WhatsApp to attract a different segment of the user population.
In January 2022, an unsealed surveillance application revealed that WhatsApp started tracking seven users from China and Macau in November 2021, based on a request from US DEA investigators. As the complaint was heavily redacted due to being an ongoing case, it did not disclose whether this was alleged tampering with the app’s end-to-end encryption, or Google accessing user backups.clarification needed However, the company did not reveal names of the end users, which according to a research by Citizen Lab include, Saudi Arabia, Bahrain, Kazakhstan, Morocco, Mexico and the United Arab Emirates.
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The new privacy policy would not apply within the EU, as it is illegal under the GDPR. On December 16, 2020, a claim that WhatsApp gave Google access to private messages was included in the anti-trust case against the latter. In its revelation via documents received from court, the group claimed that the lawsuit brought against the company by WhatsApp threatened to infringe on its clients’ “national security and foreign policy concerns”. For security purposes, since February 1, 2020, WhatsApp has been made unavailable on smartphones using legacy operating systems like Android 2.3.7 or older and iPhone iOS 8 or older that are no longer updated by their providers.
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In July 2021 the company was also testing multi-device support, allowing Computer users to run WhatsApp without an active phone session. In August 2013, WhatsApp added voice messages to their apps, giving users a way to send short audio recordings directly in their chats. WhatsApp has rolled out a feature called ‘Voice Status Updates’, which allows users to record voice notes and share them as their status on the app. Providing a bundle of these free of charge to users will work like a gateway drug of sorts – users who may be able to afford data services and phones these days just don’t see the point of why they would pay for those data services. WhatsApp 2.0, released for iPhone in August 2009, featured a purpose-designed messaging component; the number of active users suddenly increased to 250,000.
- The organization reported a massive drop-off in traffic for the blocked services, though the country’s government made no official statements about the block.
- In July 2021 the company was also testing multi-device support, allowing Computer users to run WhatsApp without an active phone session.
- In July 2021, WhatsApp announced forthcoming support for end-to-end encryption for backups stored in Facebook’s cloud.
- WhatsApp also announced a forthcoming business platform to enable companies to provide customer service at scale, and airlines KLM and Aeroméxico announced their participation in the testing.
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Later on, it also added support for iOS, Nokia Series 40, and Nokia S60 (Symbian). Originally it was required for the primary phone to keep an online connection to WhatsApp for linked devices to work, but now WhatsApp can run on linked devices without such requirement. Linked devices automatically log out after 14 days of inactivity on the primary phone. As of 2025, the software requires at least Android version 5.0 or iOS version 15.1 respectively. Currently, WhatsApp’s principal platforms, which are fully supported, are devices supporting mobile telephony running Android, and iPhones.
By default, it is set to disappear in 24 hours, but it can be set for a longer amount of time and can be restricted for viewing by other contacts in the Settings menu. Unlike messages in groups or private chats, channels are not end-to-end encrypted. Users are able to use an avatar as their profile picture or use it for stickers during instant messaging, similar to those offered by Bitmoji or Memoji. In March 2021, WhatsApp started rolling out support for third-party animated stickers, initially in Iran, Brazil and Indonesia, then worldwide.
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That year, the company had $148 million in expenses and a net loss of $138 million. In April 2011, Sequoia Capital invested about $8 million for more than 15% of the company, after months of negotiation by Sequoia partner Jim Goetz. Koum then hired a friend in Los Angeles, Chris Peiffer, to develop a BlackBerry version, which arrived two months later. Although Acton was working on another startup idea, he decided to join the company.
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WhatsApp was initially criticized for its lack of encryption, sending information as plaintext. Researchers and journalists called on WhatsApp’s parent company, Facebook, to adopt measures similar to those adopted in India and restrict the spread of hoaxes and fake news. It was reported that US$3 million was spent in illegal concealed contributions related to this practice. After financial regulators in many regions raised concerns, Facebook stated that the currency, renamed Diem since December 2020, would require a government-issued ID for verification, and the wallet app would have fraud protection.
This would give them some context for why they are important, and that will lead them to pay for more services like this – or so the hope goes. These could be a social networking service like Facebook, a messaging service, maybe search and other things like weather. The idea, he said, is to develop a group of basic internet services that would be free of charge to use – “a 911 for the internet”. The acquisition was influenced by the data provided by Onavo, Facebook’s research app for monitoring competitors and trending usage of social activities on mobile phones, as well as startups that were performing “unusually well”.
Previously between March 2016 and May 2017, only limited file types categorised as images (JPG, PNG, GIF), videos (MP4, AVI), and documents (CSV, DOC/DOCX, PDF, PPT/PPTX, RTF, TXT, XLS/XLSX), were allowed to be shared for file attachments. In July 2017, WhatsApp added support for file uploads of all file types, with a limit of 100 MB. Voice messages sent this way are deleted after the recipient listens to them the first time. Unlike their 32-person group calls, starting a voice chat does not call all group members directly; they instead receive a notification to join the voice chat. Voice calls between two accounts were added to the app in March and April 2015. Edited messages were tagged as “edited” to inform recipients that the content had been modified.
Unlike other platforms, WhatsApp requires third-party apps to add Stickers to WhatsApp. Since then, linked devices support has expanded and more information is written in the Platform Support part of this article. In November 2023, WhatsApp also began rolling out support for sending login codes to a linked email address, rather than via SMS. This was implemented only on Samsung phones, with plans to expand to Android and iOS “soon”. In August 2021, WhatsApp launched a feature that allows chat history to be transferred between mobile operating systems.
In 2022, WhatsApp added the ability for users to turn off their online status. In August 2022, WhatsApp launched an integration with JioMart, available only to users in India. The Cloud API enables businesses to integrate WhatsApp with other software, have a central WhatsApp account for multiple users and implement advanced automation. In January 2021, WhatsApp announced a controversial new privacy policy allowing WhatsApp to share data with its parent company, Facebook. In April 2018, WhatsApp co-founder and CEO Jan Koum announced he would be leaving the company.
In April 2017, the perpetrator of the Stockholm truck attack reportedly used WhatsApp to exchange messages with an ISIS supporter shortly before and after the incident. Rudd publicly called for police and intelligence agencies to be given access to WhatsApp and other encrypted messaging services to prevent future terror attacks. However, the company did not reveal the names of the end users, which according to research by Citizen Lab include, Saudi Arabia, Bahrain, Kazakhstan, Morocco, Mexico and the United Arab Emirates.
In January 2018, WhatsApp released a standalone business app called WhatsApp Business which can communicate with the standard WhatsApp client.