[1] Telstra customers will now be able to know within a very short time if they have reached their mobile data quota.

[2] This will help avoid avoid bill shock as customers will be notified when they reach 50 per cent, 85 per cent and 100 per cent of their data quota.

[3] Consumer advocacy group ACCAN noted that the move was in the right direction as it will help customers to better track their data usage.

[Source] http://www.smh.com.au/digital-life/mobiles/telstra-to-send-realtime-sms-to-ease-bill-shock-20141111-11ku71.html