According to a survey of over 7,000 professionals by LinkedIn, the following 10 office items and practices are most likely to disappear within the next 5 years: 1. Tape recorders 2. Fax machines 3. Rolodex contact books 4. Standard working hours, desk phones, and desktop computers 5. Formal business attire, cubicles, and corner offices for managers and executives 6. USB thumb drives are also predicted to become obsolete.