Google+ also has hashtags, e.g... https://plus.google.com/s/%23ThorsDay/posts https://plus.google.com/s/%23ThorsDay/posts And apparently you can search for any

Google+ also has hashtags, e.g... https://plus.google.com/s/%23ThorsDay/posts https://plus.google.com/s/%23ThorsDay/posts And apparently you can search for anything and you'll get a realtime stream: https://plus.google.com/s/Santa%20Claus/posts https://plus.google.com/s/Santa%20Claus/posts