Enable WMS for ArcGIS.com web services.
WFS and WMTS are already possible. Add WMS, probably the most used OGC standard.
The current label of "Already Offered" is very misleading. Please offer WMS on arcgis.com for clients that need it.
Add WMS for MapServer services.
Add WFS for FeatureServer services.
This should just be done - we shouldn't have to ask.
Retrieving data ...