Digital signs can interact with mobile phones using SMS messaging and Bluetooth. Features of early mobile phone messaging encouraged users to use abbreviations. Skype allows these registered users to communicate through both instant messaging and voice chat. Modern SMS text messaging is usually messaging from one mobile phone to another. Young people preferred instant messaging, texting and social media. Instant messaging spam makes use of instant messaging systems. The second generation introduced a new variant of communication called SMS or text messaging. Rooms is a feature added specifically for group messaging and communication. Messaging, Skype Video, and Phone. It has an interface similar to instant messaging platforms. However, it does retain video capabilities for interfacing with other instant messaging clients. Telegram is a cloud-based instant messaging and voice over IP service. The transactional framework also integrates with messaging and caching engines. Tweeting, instant messaging, or blogging enhances student involvement. Streaming entertainment and electronic messaging services are free.