  The observation of GW170817, the first binary neutron star merger observed in
both gravitational waves (GW) and electromagnetic (EM) waves, kickstarted the
age of multi-messenger GW astronomy. This new technique presents an
observationally rich way to probe extreme astrophysical processes. With the
onset of the LIGO-Virgo-KAGRA Collaboration's O4 observing run and wide-field
EM instruments well-suited for transient searches, multi-messenger astrophysics
has never been so promising. We review recent searches and results for
multi-messenger counterparts to GW events, and describe existing and upcoming
EM follow-up facilities, with a particular focus on WINTER, a new near-infrared
survey telescope, and TESS, an exoplanet survey space telescope.
