Reliance Jio has extended its free voice and data services until March 31, 2017, but is limiting free data to 1GB per day. The Indian government announced demonetization of Rs. 500 and Rs. 1000 currency notes to tackle black money, allowing deposit of these notes in banks and post offices until December 30, 2016, with daily and weekly withdrawal limits from these accounts. WhatsApp launched video calling for all its users, which is expected to gain popularity as mobile phones and networks have improved in quality.