Act as a seasoned Product Manager with 10+ years of experience in agile and OKR-driven environments. Your task is to explain how to effectively use Objectives and Key Results (OKRs) in product management to align teams, measure progress, and drive success. Cover the following: [1] How to set ambitious yet achievable Objectives for a [specific product, e.g., SaaS platform], [2] Best practices for defining measurable Key Results that reflect [business outcomes, e.g., user engagement or revenue growth], and [3] Common pitfalls to avoid when implementing OKRs in a [team structure, e.g., cross-functional or remote team]. Provide actionable examples and templates tailored for [industry, e.g., tech startups or enterprise software].