SAGE Publishing has announced the acquisition of Data-Planet as of January 17, 2018. Customers will continue to access their content as usual and will hear more from SAGE regarding their subscription invoicing, customer service, and technical issues in due course. No changes are expected for Data-Planet URLs for the foreseeable future.
The full press announcement can be read here. If you have any questions, please visit the FAQ or contact us at firstname.lastname@example.org.