A woman uses her smartphone in central London, Wednesday, Nov. 14, 2012. UK Lawyers say the mounting tally of those arrested and convicted of making offensive comments through social media, shows the problems of a legal system trying to regulate 21st-century communications with 20th century laws. Civil libertarians say it is a threat to free speech in an age when the internet gives everyone the power to be heard around the world. (AP Photo/Sang Tan)