The Line mobile messaging service has more than 200 million active daily users, with the majority in Japan, Indonesia, Thailand and Taiwan. The app scored full marks for providing end-to-end encryption by default in all communication on their messaging apps, but does not do enough to inform users about threats to human rights, and does not publish a transparency report.Score 47/ 100

Our communications are under constant threat from cybercriminals, malicious hackers, and unjustified spying by state authorities. Young people, activists and journalists who share personal details over messaging apps are especially at risk.


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I'm wondering if there's any good messenger apps on the PS Vita, homebrew or otherwise. Vita cord works really well, but the 2FA thing is fairly annoying especially when I don't have access to my phone to use it I know there's Skype but I'm not entirely sure if it's still even functional on the Vita

The way it works is simple. Telegram collects your texts from every SMS platform on your mobile device, Mac or PC and brings them into one app. Now, instead of navigating to individual messenger apps and dealing with lags, signal or privacy issues, you can access all texts in a private and secure platform with total ease.

Most messenger apps only allow you to contact other users on their platform, but TextNow is a bit different. With 1 million monthly users, TextNow has become one of the fastest growing messenger apps in North America.

I'm trying to build a mobile messaging app like Whatsapp and don't know where to start. In the first place, I don't know how messaging apps send messages between users. What type of protocol do they use? Do they use websockets? Do they use some sort of long polling? 

 I mean what I really want to know is how the server works and is there a name to this sort of communication?

Yes to create a chat application like messenger or WhatsApp you will need to use websocket, also a cache like redisIf you want to create a chat backend with django and django channels you can follow this repository, this is pretty basic. You can use this repo to build a chat api, which you can use with a mobile app/desktop app as well as a web app

Instant messaging (IM) technology is a type of online chat allowing real-time text transmission over the Internet or another computer network. Messages are typically transmitted between two or more parties, when each user inputs text and triggers a transmission to the recipient(s), who are all connected on a common network.[1] It differs from email in that conversations over instant messaging happen in real-time (hence "instant"). Most modern IM applications (sometimes called "social messengers", "messaging apps", "chat apps" or "chat clients") use push technology and also add other features such as emojis (or graphical smileys), file transfer, chatbots, voice over IP, or video chat capabilities.

Instant messaging was pioneered in the early Internet era; the IRC protocol was the earliest to achieve wide adoption.[2] Later in the 1990s, ICQ was among the first closed and commercialized instant messengers, and several rival services appeared afterwards as it became a popular use of the Internet.[3] Beginning with its first introduction in 2005, BlackBerry Messenger, which initially had been available only on BlackBerry smartphones, soon became one of the most popular mobile instant messaging apps worldwide. BBM was for instance the most used mobile messaging app in the United Kingdom[4] and Indonesia.[5] Instant messaging remains very popular today; IM apps are the most widely used smartphone apps: in 2018 there were over 50 million Signal users, 980 million monthly active users of WeChat and 1.3 billion monthly users of WhatsApp Messenger.

Instant messaging is a set of communication technologies used for text-based communication between two (private messaging) or more (chat room) participants over the Internet or other types of networks (see also LAN messenger).[6] IM chats happen in real-time. Online chat and instant messaging differ from other technologies such as email due to the perceived quasi-synchrony of the communications by the users, although some systems allow users to send offline messages that the other user receives when logging in.[7]

Modern IM services generally provide their own client, either a separately installed piece of software, or a browser-based client. They are normally centralised networks run by the servers of the platform's operators, unlike peer-to-peer protocols like XMPP. These usually only work within the same IM network, although some allow limited function with other services. Third party client software applications exist that will connect with most of the major IM services. There is the class of instant messengers that uses the serverless model, which doesn't require servers, and the IM network consists only of clients. There are several serverless messengers: RetroShare, Tox, Bitmessage, Ricochet, Ring.

Some examples of popular IM services today include Signal, Telegram, WhatsApp Messenger, WeChat, QQ Messenger, Viber, Line, and Snapchat.[citation needed] The popularity of certain apps greatly differ between different countries. Certain apps have emphasis on certain uses - for example Skype focuses on video calling, Slack focuses on messaging and file sharing for work teams, and Snapchat focuses on image messages. Some social networking services offer messaging services as a component of their overall platform, such as Facebook's Facebook Messenger, who also own WhatsApp. Others have a direct messaging function as an additional adjunct component of their social networking platforms, like Instagram, Reddit, Tumblr, TikTok, Clubhouse and Twitter, either directly or through chat rooms.

Though a relatively new feature, peer-to-peer payments are available on major messaging platforms. This functionality allows individuals to use one application for both communication and financial tasks. The lack of a service fee also makes messaging apps advantageous to financial applications. Major platforms such as Facebook messenger and WeChat already offer a payment feature, and this functionality is likely to become a standard amongst IM apps competing in the market.

Early instant messaging programs were primarily real-time text, where characters appeared as they were typed. This includes the Unix "talk" command line program, which was popular in the 1980s and early 1990s. Some BBS chat programs (i.e. Celerity BBS) also used a similar interface. Modern implementations of real-time text also exist in instant messengers, such as AOL's Real-Time IM[19] as an optional feature.[20]

For corporate use, encryption and conversation archiving are usually regarded as important features due to security concerns.[39] There are also a bunch of open source encrypting messengers.[40] Sometimes the use of different operating systems in organizations requires use of software that supports more than one platform. For example, many software companies use Windows in administration departments but have software developers who use Linux.

SMS is the acronym for "short message service" and allows mobile phone users to send text messages without an Internet connection, while instant messaging provides similar services through an Internet connection.[16] SMS was a much more dominant form of communication before smartphones became widely used globally. While SMS relied on traditional paid telephone services, instant messaging apps on mobiles were available for free or a minor data charge. In 2012 SMS volume peaked, and in 2013 chat apps surpassed SMS in global message volume.[41]

Easier group messaging was another advantage of smartphone messaging apps and also contributed to their adoption. Before the introduction of messaging apps, smartphone users could only participate in single-person interactions via mobile voice calls or SMS. With the introduction of messaging apps, the group chat functionality allows all the members to see an entire thread of everyone's responses. Members can also respond directly to each other, rather than having to go through the member who started the group message, to relay the information.[42]

By 2014 however, the level of safety offered by instant messengers was still extremely poor. According to a scorecard made by the Electronic Frontier Foundation, only 7 out of 39 instant messengers received a perfect score, whereas the most popular instant messengers at the time only attained a score of 2 out of 7.[47][48] A number of studies have shown that IM services are quite vulnerable for providing user privacy.[49][50]

Encryption is the primary method that messaging apps use to protect user's data privacy and security. SMS messages are not encrypted, making them insecure, as the content of each SMS message is visible to mobile carriers and governments and can be intercepted by a third party.[51] SMS messages also leak metadata, or information about the message that is not the message content itself, such as phone numbers of the sender and recipient, which can identify the people involved in the conversation.[51] SMS messages can also be spoofed and the sender of the message can be edited to impersonate another person.[51]

As of March 2022, the most used messaging apps worldwide include: Signal with 100 million, Line with 217 million, Viber with 260 million, Telegram with 700 million, WeChat with 1.2 billion, Facebook Messenger with 1.3 billion, and WhatsApp with 2.0 billion users.[54] There are 25 countries in the world where WhatsApp messenger is not the market leader in messaging apps, such as the United States, Canada, Australia, New Zealand, Denmark, Norway, Sweden, Hungary, Lithuania, Poland, Slovakia, Philippines, and China.[54][55][56]

I am looking for desktop application for Facebook messenger. I know Pidgin can work with Facebook chat, but it cannot work with any messenger with a person who is offline. Is there a program which can do this? 17dc91bb1f

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