Why buy microATX?

Why would someone consider purchasing a microATX motherboard instead of a full-sized ATX option? Could it be the smaller form factor that appeals to those with limited space in their computer cases? Or is it the potential cost savings that come with choosing a more compact design? Additionally, does the microATX format offer any unique features or advantages over its larger counterpart? Understanding the reasoning behind choosing a microATX motherboard can help individuals make an informed decision when building or upgrading their computers.