Just looking at their privacy page (long and complicated with links to other Terms), it looks identical to the same ol’ Silicon Valley business model Aral notes in his “Beyond the Clouds” video. Excellent video that also gives rise to other issues we’re all facing, but off topic.
If you’re getting something for free, YOU’RE the product! Google and facebook have done a bang up job with this business model! Big data, big databases, AI programs mashing data together to provide information on YOU for sale to those who will pay for this info. “Applicable laws”, HAH, there are no laws in the States. It’s a feeding frenzy for Big Data right now.
Information we collect:
Note that chats with bots and Public Accounts, and communities are not end-to-end encrypted
(b) Social Media Information: If you sign in to your Viber account through third-party social media sites like Facebook, Twitter or VK, you agree to give us on-going access to your personal information on such sites (e.g., your public profile, friend list, accounts you follow or who follow you, your email address, birthday, work history, education history, interests, current city, and video viewing)
(d) Information from Other Sources: The information we collect may be combined with information from outside records (e.g. demographic information and additional contact information) that we have received in accordance with the law.
Specific Accounts – Viber Out Account, Email Linked to Viber Account:
When we link your email account to the Viber account, we will also automatically create an account for you with our parent company, Rakuten Inc., and other entities in the Viber corporate family (Group)
Uses and Retention:
(vi) personalize your experience by providing content (such as games) on the Service, including targeted advertising of Viber services and other 3rd party services that we believe may be of most interest to you;
© Provide Interesting Offerings to You and others: As part of value added services provided by us or by a third party within Viber, we may use your information to continuously optimize and personalize those services and send you personal updates about new offerings which we believe you will find relevant. We may share with our service providers unique identifiers to determine the best way to tell potential new users about our services. When you join Viber, the contacts in your address book that are already Viber members may be informed that you’re now on Viber too.