Selfies under scrutiny at London show

By Farah Nayeri LONDON (Reuters) - People in London smile the least in their selfies while Moscow's selfie takers are predominantly women dressed to the nines, says a researcher involved in setting up a London show about selfies.     For its new exhibition "Big Bang Data", Somerset House has commissioned "Selfiecity London," a spotlight on 640 selfies selected out of a total of 152,462 public Instagram images taken in a single week in September in a 5-sq-km (2-sq-mile) radius arou