A spy tool in affiliate marketing is software that lets marketers see what ads other advertisers are running online. It collects data from many ad networks and shows things like ad images landing pages keywords and how long the ads have been active. Affiliates study this information because ads that run for a long time often make money. Instead of starting from zero they learn from campaigns that already work and then build their own version with small changes to test the market more safely and wisely online. What do people usually think about learning from ads found in spy tools?