Too Long; Didn't Read
In the US, the average adult spends 3 hours 35 minutes on mobile apps per day. Despite record-breaking supply, developers often cannot find appropriate demand for their inventory, face low CTRs, ill-suited ad creatives, and fraudulent SDKs. One of the biggest challenges for app developers in the coming year will be establishing user identity. Apple's plans to limit IDFA functionality in 2021 is going to cripple segmentation, ad targeting, attribution, and measurement. This move is expected to depreciate CPMs across the board and deprive app developers of 52% of advertising revenue.