Many businesses are using various business communication technologies to change the way their employees interact and communicate while at work. Employees can use various communication tools to interact or exchange information at work. For example, employees from different departments in a company can use text messaging services or video conferencing tools like Skype to share and exchange information. Virtual communication tools like Skype can be used to share screens and this can help workers to share projects while in different departments, the same application can be used to support group decision making. Also communication technologies can be used in the customer service department to serve customers on time.