Anyone have any opinion or advice on various point scales for estimating software development time? I've always done it in hours/days, but am going to try and have my team switch to a scale. Powers of 2 (0, 1, 2, 4, 8) Linear (0, 1, 2, 3) Fibonacci (0, 1, 2, 3, 5, 8) (we're using the scrum agile project management framework)