We previously wondered whether failing to keep up with technology could subject a lawyer to discipline or malpractice. There aren't a whole lot of state bar opinions on the topic. Really, the only time a court has weighed in was Zubulake v. UBS Warburg (Zubulake V), where a federal district court admonished in-house counsel for not knowing how the corporation's backup tape retention system worked, leading to the loss of highly probative evidence. Counsel failed so spectacularly that the court granted a jury instruction allowing jurors to infer that the really sexy smoking guns the plaintiff wanted were contained on those tapes.
In order to make clear that lawyers need to know what they're doing, the State Bar of California has proposed a Formal Opinion on lawyers' duties to handle electronic discovery, in order to delineate what a lawyer needs to know about e-discovery to remain ethical.