Skype, the replacement phone for business - the World of Things
In IT most people used a mobile phone, followed by a land line. Then there are the users of skype (luckily become more by the minute). I have previous written here about using whatsapp to control network operations. Although I use skype, my id is ronaldxbartels, there are other alternatives available. However, none as as prevalent as skype.
Read about skype over at LinkenIn here.