Employees are being urged to know the terms and conditions of their work contract when it comes to media use in the workplace.
It comes on foot of a Europeam Court of Human Rights ruling which found that a firm in Romania was within its rights to read a worker's Yahoo messenger chats.
The 27 year old engineer took the case to Strausbourg in 2008 arguing that his employer had breached his confidence and subsequently sacked him.
But the Judges ruled that employers can read workers' private messages sent via chat software and webmail accounts during working hours.
I've been speaking to Breda Cullen from employment law firm HR Team about the implications of the ruling for both emoloyers and employees: