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2,2-Dichloro-1,1,1-trifluoroethane or HCFC-123 is considered as an alternative to CFC-11 in low pressure refrigeration and HVAC systems, and should not be used in foam blowing processes or solvent applications.
Using PC streaming, a similar structure to the one used today allowed the listener to play songs freely, but with ads every 4–7 songs depending on listening duration. Later that same year, in March, Spotify removed all limits on the free service tier indefinitely, including mobile devices.