Video conferencing

Skype- Skype allows users to communicate with friends by voice, video, and instant messaging over the Internet. You can also do phone calls for a small priceCalls to other users within Skype are free , while calls to telephone are charged directly to your account. Skype has also become popular for its additional features, including file tr
ansfer and videoconfering. Skype allows you to start a video chat or only a written chat or even a mixture of both. You can also share documents through it, or only speak and not use video or viceversa.

FaceTime- video calling software application and related protocol developed by apple for mobile devices in addition to Macintosh computers. FaceTime is

supported on any iOS device with a forward-facing camera iPhone 4 and on any Macintosh computer equipped with a face time camera.

Google- is an American multinational Internet and software corporation specialized in Internet search,cloud and advertising techn

ologies. It hosts and develops a number of Internet-based services and products, and generates profit primarily from advertising through its AdWords program. Apart from being a search engine it also has chat, gmail, news, videos, sites, docs...