Blog post on the think big blog of Telefonica (Spanish)

Check out here Telefonica's blog post "Autenticación robusta más allá de las contraseñas" at the "Think Big" blog (in spanish).

The “Think Big” blog (https://blogthinkbig.com) is the corporate blog of Telefonica, where the company communicates about technology, innovation and entrepreneurship. It is associated with a Twitter account where every blog post is disseminated. The account has about 133,000 followers and count more than 30K tweets. It is followed by most Telefonica employees, including high level management, and by many external people with different background.