The best platforms for B2B marketing are LinkedIn and X (formerly Twitter). LinkedIn is ideal for professional networking, targeted advertising, and sharing in-depth content like industry insights and case studies, making it perfect for lead generation and nurturing. X, on the other hand, excels in real-time engagement, wide reach, and content distribution, allowing businesses to participate in trending conversations and connect with industry influencers. Both platforms together provide a comprehensive approach to reaching and engaging with B2B audiences.