abreast of the times

Knowing the most current information about a person, thing, or event. Of course Grandpa doesn't have a cell phone—he never wants to keep abreast of the times. That senator needs to keep abreast of the times and stop saying things that are wildly inappropriate in today's world. As information becomes more readily available in a digital format, publishers are going to have to change their methods if they want to stay abreast of the times.