Glass Bed
Might last longer than other bed types.
Smooth Aesthetic on the bottom of the print.
Might provide a more even Bed Height.
Some Materials might be more or less easy to be removed.
Removing Prints from Glass:
Try spraying a 50%/50% mix of Water and Alcohol on the Print around the Bed, wait 10 seconds and attempt to remove the Print. Check how Alcohol reacts with the Material you are using.
Also see Bed/Surface.