- Politics: Predict which candidates/bill will do well. Or predict which bills you might care about. Identify the strongest features. Publish a writeup with nic

- Politics: Predict which candidates/bill will do well. Or predict which bills you might care about. Identify the strongest features. Publish a writeup with nice maps/charts. Inputs: FEC donor data, vote history. - Sports: Predict game outcomes, player performance. Make money playing fantasy sports? - Real estate: Build a better tool for house assessments that identifies "comps" and predicts what the house should cost. - Astronomy: Something about exoplanets? - Amazon prices: Find opportunities to buy/sell. - Stock prices: Inputs are news/Twitter, outputs are predictions of closing price. I'd start with your hobbies and go from there!