Most of us today carry cell phones in our pockets with more processing power than the computers aboard the Apollo moon missions. Frequent news reports illustrate the dangers of thoughtless use of smartphones and social media. It has ensnared politicians and celebrities, sometimes crashing promising careers. This technology has created similar hazards for both plaintiffs and defendants in litigation who are careless about online social media privacy. While we are quick to look for the other side’s vulnerabilities, we must also play defense in protecting our clients from their own electronic blunders.

Many people today, especially younger ones, think…