A loooong list of suggestions of public data to request.
Create animated videos for Youtube.
Ask others how to best visualize your data.
Tell a story with charts.
Tell stories on maps with CartoDB.
Color palettes for maps
Transform Shape to KML (Google Fusion)
Edit and transform geospatial data (Shape, KML, GeoJSON etc).
Add multiple layers, search features and custom styles to your maps.
Shape files for Europe.