Sequoia Capital received an approximate 5,000% return on its initial investment. Days after the announcement, WhatsApp users experienced a loss of service, leading to anger across social media. In 2016, WhatsApp was accused of copying features from a then-unreleased version of iMessage.

Mods and fake versions

The company also announced plans to implement reactions, the ability for administrators to delete messages in groups and voice calls up to 32 participants. In April 2023, the app rolled out a feature that would allow account access across multiple phones, in a shift that would make it more like competitors. Now, the feature is also made available to iOS users, allowing them to link up to four iPhones.

Filled with scammers, not a secure app

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• WhatsApp was announced to be the 3rd most downloaded mobile phone app of the decade 2010–2019.

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• This allows users to send messages between other messaging apps and WhatsApp while maintaining end-to-end encryption.

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• In September 2019, WhatsApp was criticized for its implementation of a ‘delete for everyone’ feature.
• Koum updated WhatsApp so that everyone in the user’s network would be notified when a user’s status changed.
• According to WhatsApp, the exploit “targeted at least 100 human-rights defenders, journalists and other members of civil society” among a total of 1,400 users in 20 countries.

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• This new encryption feature added an additional layer of protection to chat backups stored either on Apple iCloud or Google Drive.

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In September 2017, WhatsApp’s co-founder Brian Acton left the company to start a nonprofit group, later revealed as the Signal Foundation, which developed the WhatsApp competitor Signal. Both airlines had previously launched customer services on the Facebook Messenger platform. In June 2009, when the app had been downloaded by only a handful of Fishman’s Russian-speaking friends, Apple launched push technology, allowing users to be pinged even when not using the app.

BiP – Messenger, Video Call

Edited messages were tagged as “edited” to inform recipients that the content had been modified. On February 24, 2017, WhatsApp launched a new Status feature similar to Snapchat and Facebook stories. The Cloud API enables businesses to integrate WhatsApp with other software, have a central WhatsApp account for multiple users and implement advanced automation. He also said that the app would not display any third-party ads, and that it would have new features such as the ability to communicate with businesses. At the time, it was the largest acquisition of a venture-capital-backed company in history.
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• Now, the feature is also made available to iOS users, allowing them to link up to four iPhones.

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• The Cloud API enables businesses to integrate WhatsApp with other software, have a central WhatsApp account for multiple users and implement advanced automation.

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• The desktop version was first only available to Android, BlackBerry, and Windows Phone users.

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• Voice calls between two accounts were added to the app in March and April 2015.

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• In January 2018, WhatsApp released a standalone business app called WhatsApp Business which can communicate with the standard WhatsApp client.
• The idea started off as an app that would display statuses in a phone’s Contacts menu, showing if a person was at work or on a call.

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Data Not Linked to You

On May 9, 2014, the government of Iran announced that it had proposed to block the access to WhatsApp service to Iranian residents. WhatsApp is owned by Meta, whose main social media service Facebook has been blocked in China since 2009. In September 2017, security researchers reported to The New York Times that the WhatsApp service had been completely blocked in China. According to WhatsApp, the exploit “targeted at least 100 human-rights defenders, journalists and other members of civil society” among a total of 1,400 users in 20 countries. Higher usage was reported by frontline clinical staff to keep up with care needs, even though NHS trust policies do not permit their use. In 2016, WhatsApp was widely praised for the addition of end-to-end encryption and earned a 6 out of 7 points on the Electronic Frontier Foundation’s “Secure Tuuri Kasino Messaging Scorecard”.

• Both airlines had previously launched customer services on the Facebook Messenger platform.
• In 2016, WhatsApp was widely praised for the addition of end-to-end encryption and earned a 6 out of 7 points on the Electronic Frontier Foundation’s “Secure Messaging Scorecard”.

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• Days after the announcement, WhatsApp users experienced a loss of service, leading to anger across social media.

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• The ban was prompted by concerns of US authorities potentially accessing user data for such apps because of the CLOUD Act.

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• This ability (named multi-device support) began testing in July 2021 and rolled out to all users in April 2023.

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• In October 2023 they also introduced passkey support, where a user can verify their login with on-device biometrics, rather than SMS.

Featured In

In January 2021, WhatsApp announced an updated privacy policy which stated that WhatsApp would share user data with Facebook and its “family of companies” beginning February 2021. Previously, users could opt-out of such data sharing, but the new policy removed this option. The new privacy policy would not apply within the EU, as it is illegal under the GDPR. 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. In February 2015, WhatsApp implemented voice calling, which helped WhatsApp to attract a different segment of the user population.
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Third-party clients

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The messages involved discussing how to make an explosive device and a confession to the attack. In September 2019, WhatsApp was criticized for its implementation of a ‘delete for everyone’ feature. When a user deletes media for everyone, WhatsApp does not delete images saved in the iOS camera roll and so those users are able to keep the images. In November 2020, UPI payments via WhatsApp were initially restricted to 20 million users, and to 100 million users in April 2022, and became generally available to everyone in August 2022.
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Whatsapps Channels.

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The web client was not standalone, and required the user’s phone to stay on and connected to the internet. Since then, linked devices support has expanded and more information is written in the Platform Support part of this article. In October 2020, WhatsApp rolled out a feature allowing users to mute both individuals and group chats forever. According to the company, messages could be edited within a 15-minute window after being sent.