schneidafunk writes " Dear subscriber, you are registered as a participant in a mass disturbance.' was the message sent to thousands of protesters as a new law prohibiting public demonstrations went into effect." From NYTimes: "... Protesters were concerned that the government seemed to be using cutting-edge technology from the advertising industry to pinpoint people for political profiling. Three cellphone companies in Ukraine ... denied that they had provided the location data to the government or had sent the text messages, the newspaper Ukrainskaya Pravda reported. Kyivstar suggested that it was instead the work of a 'pirate' cellphone tower set up in the area."