On social media, Inter fans are organizing themselves through an app, Whistle, which reproduces the sound of various whistles to welcome former Romelu Lukaku. The sound is not as high-pitched as that of a real whistle, but the noise is still noticeable. (Service by Michela Cuppini and Andrea Ramazzotti)
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Here’s what the app sounds like "anti-Lukaku": the solution to stop the whistles
