SpotBid — A live attention marketplace where brands bid in real time to claim visual ad placement...SpotBid — A live attention marketplace where brands bid in real time to claim visual ad placement...
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SpotBid — A live attention marketplace where brands bid in real time to claim visual ad placements on a public billboard. Built a dynamic bidding system with fixed base prices by spot size (small, medium, large), a +70% takeover rule for outbidding occupied spots, instant outbid email alerts, and a transparent, verified leaderboard for tracking all bids. Includes automatic logo/link fetching when a brand claims a spot, and payment verification through Polar.
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Real-time bidding for physical ad spots is a clever inversion. You get the urgency of live auctions applied to something people actually walk past, and the +70% takeover rule adds just enough drama to keep brands invested. The leaderboard transparency is what makes it trustworthy rather than chaotic.
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The network for creativity
Join 1.25M professional creatives like you
Connect with clients, get discovered, and run your business 100% commission-free
Creatives on Contra have earned over $150M and we are just getting started