Each week we bring you the most popular and interesting posts of the past five days. Here is the current selection to give you something to think on and chat about over the weekend.

San Francisco Tired Of Advertisers Cleaning The Streets

Nissan Taxi Of Tomorrow Design Expo NYC [Pics]

Mentos Gets Rid Of Negative Tweets In Real Time

Augmented Reality Pop-up Stores Near Famous Landmarks

Striking Soundscapes And Projection Mapping Change The Face Of Live Music