2. The display control apparatus according to claim 1 , wherein the clustering condition setting unit is configured to set the clustering condition so that granularity of clusters changes based on the display environment.
2. The display control apparatus according to claim 1 , wherein the clustering condition setting unit is configured to set the clustering condition so that granularity of clusters changes based on the display environment. 3. The display control apparatus according to claim 2 , wherein the clustering condition setting unit is configured to set the clustering condition so that the cluster granularity changes based on the number of contents that can be displayed on the display unit.