The phrase "keep up with" is used to talk about news, entertainment, and other topics that often change. To "keep up with" something means to pay attention to it and to know about new information on that topic. Here are some common things that people "keep up with":

• keep up with the news
• keep up with developments in an industry or field

  I try to keep up with new developments in publishing.

• keep up with technology
• keep up with a person

  I wonder what Kevin is doing these days. Have you kept up with him?