Will Using a Social Media Hashtag Really Make You Legally Liable to Delta Airlines (or Any Company for that Matter)?

It appears that on or about December 20, 2017 Delta Airlines updated their SkyMiles Program Rules to include a section entitled "User-Generated Social Media Image Rights" whereby you would grant a very broad license for use of your image simply by using the hashtag #SkyMilesLife and/or #DeltaMedallionLife on your social media channel. By tagging [...]