As users are exposed to an increasing variety of mobile communication forms--mobile e-mail, voicemail, SMS, and, of course, voice--managing one's availability, or presence, becomes important. Wireless ...

Instant messaging (IM) isn't just for chatting up your friends and colleagues any more. Enterprises have started to explore using instant messaging for customer service. With Forrester Research ...

Viber is a popular instant messaging app that allows users to send instant messages, images, files and create group chats to send everything they want to their friends, family, or coworker. We explain ...