**FILE** A computer screen displaying the the micro-blogging site Twitter is seen July 26, 2012, in London. Users across the United States, Europe and Africa reported outages or sluggishness on the day before the London 2012 Games are expected to cause a spike in activity on the site. (Associated Press)

Photo by: Cassandra Vinograd

**FILE** A computer screen displaying the the micro-blogging site Twitter is seen July 26, 2012, in London. Users across the United States, Europe and Africa reported outages or sluggishness on the day before the London 2012 Games are expected to cause a spike in activity on the site. (Associated Press)