WhatsApp is back online in Brazil after 24-hour ban

Facebook's WhatsApp is back online in Brazil after the service was temporarily banned Monday, following a judge's ruling. 

Service was restored Tuesday afternoon after another judge in an appeals court reversed the ban, The Wall Street Journal reported. WhatsApp was offline for about 24 hours.

WhatsApp is extremely popular in the country and has more than 100 million users in Brazil, according to Facebook.

Monday's ruling, which resulted in the app's brief ban, stemmed from a court case that demanded WhatsApp turn over user data the company says it doesn't have. WhatsApp recently rolled out support for end-to-end encryption on all its apps and has repeatedly said it can't access chat logs or other personal information.  Read more...