Day 1, part-to-whole
Day 2, neo
Day 3, makeover
Day 4. waffle
Day 5, diverging
Day 6, OECD
Day 7, hazards
Day 8, circular
Day 9, major/minor
Day 10, physical
Day 11, mobile friendly
Day 12, theme day: Reuters Graphics
Day 13, family
Day 14, heatmap
Day 15, historical
Day 16, weather
Day 17, networks
Day 19, dinosaurs
Day 20, correlation
Day 22, mobility and day 23, tiles
Day 28, trend
Day 29, black and white