Focus to be placed on business lines and skill sets above agency brands, says CEO Ashish Bhasin.
Biggest financial commitment to date will involve select global publishers who use Google's News Showcase product, initially on Android.
The move unites tens of thousands of global employees under a single Dentsu brand; the former Dentsu Aegis Network will be known officially as Dentsu International.
He cites 'challenging year' and desire to focus full time on diversity and inclusion.
Buyout aims to address security concerns from governments in these markets over user information and privacy.
TikTok India head said app would never share information with the Chinese government and will meet with concerned Indian government stakeholders.
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