Cisco Webex is an American company that develops and sells web conferencing and videoconferencing applications. Many instant messaging services offer video calling features, voice over IP and web conferencing services. Synchronous conferencing and instant messaging are typical examples of push services. This includes VoIP, online gaming, video conferencing, and web browsing. Digital video is used in modern mobile phones and video conferencing systems. Meetings.io provides a chat and video conferencing tool. ISDN has been used for voice, video conferencing, and broadband data applications. In December 2009, Logitech acquired video conferencing equipment maker Lifesize Communications. Skype for Business video conferencing will be included with the Surface Hub. Sometimes training can occur by using web-based technology or video conferencing tools. Improved video quality has helped webcams encroach on traditional video conferencing systems. These classrooms have state of the art video conferencing capability. This requires many technology tools in the areas of conferencing, data sharing and data translation. This component negotiates parameters with every endpoint in the network and controls conferencing resources. Longer latency can make video conferencing and online gaming difficult, if not impossible.