UPDATE: Service returned to normal for most users before 3:30 p.m., based on a status update on Down Right Now.
PREVIOUSLY: Gmail users noticed problems with the service on Friday, with Google Apps users also experiencing a disruption.
According to Down For Everyone Or Just Me, Google's popular email service was down around 2:30 p.m.
By 2:40 p.m., Down For Everyone Or Just Me reported that service had returned.
Have you noticed problems with the service? Let us know in the comments.