Sample of proofreading from my past project

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Original:

"The company's recent marketing campaign was successfull, attracting a large number of potenital customers. They utilized social media, emails, and traditional advertizing channels. The feedbacks from the clients were positive, indicating a positive impact on the brand's image."

Proofread:

"The company's recent marketing campaign was successful, attracting a large number of potential customers. They utilized social media, emails, and traditional advertising channels. The feedback from clients was positive, indicating a favorable impact on the brand's image."