The advent of text messaging and e-mail have made a substantial impact on employers - especially since business-related communication has the potential of ending up in front of a jury.
How - and how long - information must be kept is becoming critical. There are state and federal laws that also apply.
The first step is to review your employee files and other documents and determine how long they must be kept - and in what form they can be kept.
A good start is to review this article from McGuireWoods LLP.