So you've just come back from vacation and what to see what your co-workers have been up to? Coming back to a project after a long break? There is a little-known command in git that will show you all the commits that have happened since you left off.
git whatchanged --since='2019-04-11'
Use a Friendly Date
git whatchanged --since='yesterday'
git whatchanged --since='3 weeks ago'