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. Multimedia messages are sent by uploading the image, audio or video to be sent to an HTTP server and then sending a link to the content along with its Base64 encoded thumbnail, if applicable. On November 14, 2016, WhatsApp added video calling for users using Android, iPhone, and Windows Phone devices.

Exercise 3: Correcting Quotation Mark Placement

In September 2022, a critical security issue in WhatsApp’s Android video call feature was reported. At the beginning of 2022, it was revealed that San Diego–based startup Boldend had developed tools to hack WhatsApp’s encryption, gaining access to user data, at some point since the startup’s inception in 2017. On November 29, 2021, an FBI document was uncovered by Rolling Stone, revealing that WhatsApp responds to warrants and subpoenas from law enforcement within minutes, providing user metadata to the authorities. This new encryption feature added an additional layer of protection to chat backups stored either on Apple iCloud or Google Drive. The new privacy policy would not apply within the EU, as it is illegal under the GDPR.

The service was created by WhatsApp Inc. of Mountain View, California, which was acquired by Facebook in February 2014 for approximately US$19.3 billion. My mother asked me whether I was happy. Find out if you have punctuated the sentence correctly from the answers given below.

Exercise 2: Identifying Sentence Fragments

Among the various punctuation marks in the English language, the ‘full stop’ is one of the easiest and most used punctuation marks. And the Collins Dictionary explains it as the punctuation mark at the end of a sentence that is not a question or exclamation. A full stop (or period) is a dot-like symbol (.) you put at the end of a sentence. Nonetheless, says Claire Fallon, writing for the Huffington Post in a June 6, 2016, article, “There hasn’t been much evidence that a laissez-faire attitude toward the period is migrating from digital messaging to the broader category of the written word.”

In the Ge’ez script that is used to write Amharic and several other Ethiopian and Eritrean languages, the equivalent of the full stop following a sentence is the “ˈarat nettib” (U+1362 ። ETHIOPIC FULL STOP), which means four dots. The low dot was increasingly but irregularly used to mark full stops after the 9th century and was fully adapted after the advent of print. The practice in the United States and Canada is to place full stops and commas inside quotation marks in most styles. In Unix-like operating systems, some applications treat files or directories that start with a dot as hidden. RISC OS uses dots daman game app to separate levels of the hierarchical file system when writing path names—similar to / (forward-slash) in Unix-based systems and \ (back-slash) in MS-DOS-based systems and the Windows NT systems that succeeded them.

What is Full Stop Punctuation?

As discussed, the period is used to convey the end of a sentence or abbreviation. William Caxton, a British merchant, writer, and printer, brought the printing press to England in 1476—along with the low dot, or period. Later, with Johannes Gutenberg’s invention of the printing press and movable type in the mid-1400s, printers continued the tradition of using only the low dot as a period. Eventually, with the popularization of block books—books printed from woodcuts in Europe around 1300—engravers disregarded the high and middle dots and retained only the low dot, signifying the end of a sentence. The period is actually called a full stop in British English, according to R.D. To learn more about punctuation and numbers see comma in the writing school section of the website.

Since the complete roll out of this feature, users cannot check old messages before this period on the Web version anymore. 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. A period ( . ) is a punctuation mark indicating a full stop, placed at the end of declarative sentences as well as after many abbreviations. 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.

Examples of full stop in a Sentence

• For example, they are placed outside in the cases of words-as-words, titles of short-form works and quoted sentence fragments.
• 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.
• In addition to marking the end of declarative sentences, the full stop has other uses, such as in abbreviations and to denote decimal points in numbers.
• 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 May 2025, Meta reported WhatsApp had over 3 billion monthly active users globally.

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. Unlike other platforms, WhatsApp requires third-party apps to add Stickers to WhatsApp. In October 2023 they also introduced passkey support, where a user can verify their login with on-device biometrics, rather than 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.

Similarly to WhatsApp for web, Windows, Mac, and smartwatches, the iPad is a type of linked device that connects and syncs to WhatsApp running on a smartphone. WhatsApp for Windows transitioned over to the Microsoft Edge WebView2 framework, marking a return to utilising a web-based framework (just like Electron previously) instead of a native framework. In July 2025, WhatsApp stopped developing the Windows UWP-based app due to poor support and deprecation of the UWP framework by Microsoft. In 2023, WhatsApp replaced the Electron-based apps with native versions for their respective platforms. 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.

WhatsApp’s voice codec is Opus, which uses the modified discrete cosine transform (MDCT) and linear predictive coding (LPC) audio compression algorithms. Some devices using dual SIMs may not be compatible with WhatsApp, though there are unofficial workarounds to install the app. Previously the Android and Nokia Series 40 versions used an MD5-hashed, reversed-version of the phone’s IMEI as a password, while the iOS version used the phone’s Wi-Fi MAC address instead of the IMEI. WhatsApp uses a customized version of the open standard Extensible messaging and presence protocol (XMPP).

Murders in India

• 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.
• Use a full stop (also called a period) to end sentences.
• On November 14, 2016, WhatsApp added video calling for users using Android, iPhone, and Windows Phone devices.
• Its function extends beyond simply marking the end of a sentence; it also contributes to the overall rhythm and flow of writing.
• In October 2020, Facebook announced the introduction of pricing tiers for services offered via the WhatsApp Business API, charged on a per-conversation basis.
• 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.

The full stop signals to the reader that the thought is complete and that a new idea or topic may be introduced in the following sentence. It signals the end of a declarative sentence, providing a clear pause and indicating a complete thought. She said this can be attributed to the way we text and use instant messaging apps like WhatsApp and Facebook Messenger. However, due to the influence of the Burmese script, the Meitei script of the Manipuri language uses U+AAF0 ꫰ MEETEI MAYEK CHEIKHAN for a comma and U+ABEB ꯫ MEETEI MAYEK CHEIKHEI to mark the end of a sentence. A sentence is written without spaces and a space is typically used to mark the end of a clause or sentence. In the Devanagari script that is used to write languages like Hindi, Maithili, Nepali, etc., a vertical line U+0964 । DEVANAGARI DANDA is used to mark the end of a sentence.

A full stop, unlike any other punctuation mark, is made use of so effortlessly. Merriam-Webster calls it a point used to mark the end of a sentence or an abbreviation. As discussed, periods are often omitted in text messages. British English requires that you place the period after the quotation mark.

The placement of the full stop in relation to quotation marks depends on whether the quoted material is a complete sentence. The basic principle is that the full stop should be placed at the end of a complete declarative sentence, immediately following the final word or punctuation mark. The full stop is classified as a terminal punctuation mark, meaning it is used to end a sentence or a complete thought.

Furthermore, it marks the end of a thought and the beginning of another. A full stop marks a longer pause than a comma and a semicolon. It is mostly used at the end of declarative sentences and imperative sentences. A full stop, also known as a period, is chiefly used to end a sentence. If you are a regular user of the English language, you will definitely know how and when to use a full stop in a sentence.

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They are also known as ellipsis dots or suspension points. The period/decimal point is often used with numbers. She likely does so to add emphasis and convince readers that hers is the final word in punctuation. They note that a 2015 survey conducted by the Department of Psychology at the State University of New York at Binghamton found that only 29 percent of American students were using a full stop, or period, because they consider it to be a “bad way to convey heartfelt emotions.” Cox and Pundir note that some writers and grammarians worry that the period is falling out of favor in the age of texting and electronic mail, in favor of exclamation points, ellipses, line breaks, and emoticons. These were the uses of the period.

Examples of Using a Full Stop

Full stops are the most commonly used punctuation marks; analysis of texts indicate that approximately half of all punctuation marks used are full stops. The full stop (Commonwealth English), period (North American English), or full point (.), is a punctuation mark used for several purposes, most often to mark the end of a declarative sentence (as distinguished from a question or exclamation).a In May 2017, it was reported that WhatsApp users spend over 340 million minutes on video calls each day on the app. On August 24, 2014, Koum announced on his Twitter account that WhatsApp had over 600 million active users worldwide.

According to Globes, already by 2013 the application was installed on 92% of all smartphones, with 86% of users reporting daily use. By April 22, 2014, WhatsApp had over 500 million monthly active users, 700 million photos and 100 million videos were being shared daily, and the messaging system was handling more than 10 billion messages each day. The hack, allegedly developed by Israeli surveillance technology firm NSO Group, injected malware onto WhatsApp users’ phones via a remote-exploit bug in the app’s Voice over IP calling functions. 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 November 2017, WhatsApp implemented a feature giving users seven minutes to delete messages sent by mistake. In November 2025, WhatsApp announced that they would update their About feature, which allows users to add a short message to explain what they are doing.