It was not so long ago that we dealt with colleagues through face-to-face (1. INTERACT)____________ and with counterparts and customers by phone or letter. But the world of communication has undergone a dramatic transformation, not for all the good. Email, while (2. DOUBT)____________ a swift means of communication providing your server is fully (3. FUNCTION)____________ and that address you have contains no (4. ACCURATE) ____________ has had a (5. SIGNIFY)____________ effect on certain people’s behaviour, both a home and business. For those people, the use of email has become irresistibly (6. ADDICT) ___________ to the extent that it is (7. THREAT)___________ their mental and physical health. Addicts spend their day (8. COMPULSION)____________ checking for email and have a (9. TEND)____________ to panic if their server goes down. It is estimated that one in six people spend four hours a day sending and receiving messages, the equivalent to more than two working days a week. The negative effect on (10. PRODUCE)___________ is something employers are well aware of.