Which advertising platform works best for small businesses?

Small businesses often operate with limited budgets, making it crucial to choose the right advertising platform for maximum ROI. Popular platforms like Google Ads, Facebook, Instagram, and Linkedin offer unique advantages based on target audience and business goals. Factors like cost-effectiveness, audience targeting, and campaign objectives play a key role. 
Which platform do you think delivers the best results for small businesses? Share your insights!

Are Linkedin & Twitter ads effective for small businesses?