More on Generating Smells

This is a topic that we covered in the innovation center, and this blog has covered for about the same time.  Have seen dozens of examples claiming generated digital scent.  We looked and tested how it could be integrated into retail.  By package, shelf, zone and even specific to interaction.  Most recently seeing the ability to integrate the idea into the smart home.  Here in Technology Review, some new developments and a good description of the difficulties involved.  Below, lots more coverage of the idea.