Microsoft thinks 500 MB is enough for your email in 2017. Brings back memories from the year 2004 when Gmail was launched and it had a whopping 1 GB of space, whereas
Glo Night Data Plans (250 MB, 500 MB, 1 GB) • About Device
500MB of Data: How Much Is It & How Long Does It Last? Mobile Data Limits
Airtel unveils 25/50 Naira Data Plan @500MB/1.5GB | nibbleNG