How do I use the Glitchdata?
http://tcmcards.com/?add-to-cart=1040 Glitchdata organises datasets for easy consumption. The data is available in multiple formats ranging from CSV, XLS, ODS, TXT, PDF, HTML. You can easily download, manipulate, combine visualise and analyse this data.
How often is data updated?
http://m-sar.uk/header3/ Datasets are updated when new data is available (for common datasets) or on client demand.