In this highlights edition: Hat designer Stephen Jones, the Semper Opera Ball in Dresden, internet granny Mamika, the LED lighting trend and the Angry Birds smartphone game conquers the world.Hat Designer Stephen JonesBritish designer Stephen Jones regularly supplies the world’s top haute couture houses. He designed Carla Bruni-Sarkozy's pillbox hat, and Princess Diana also bought his creations. Jones first made his name selling to British entertainers.The Semper Opera Ball in DresdenOne of the highlights of Germany's social calendar is the Semper Opera Ball in Dresden. It was first held back in 1925 but stopped at the outbreak of the second world war in 1939. The Ball was revived in 2006 after the restoration of the city’s famous opera house. Nowadays the event is so popular that as well as the ball inside the opera house, there's also a big crowd waltzing away outside.Internet Granny MamikaParisian photographer Sasha Goldberger has unintentionally turned his grandmother into an internet superhero. When he noticed his grandma - Hungarian-born Frederike Goldberger – was feeling down he portrayed her as a superhero zooming around on a motorbike or lifting a car with one hand to cheer her up. Mamika, as she's come to be known, is 92 years old and now has quite a following.New LED TechnologyLED lighting is one of the hottest topics at this year‘s International Furniture Show in Cologne. It’s seen as energy-saving and favored for it’s ability to simulate daylight.Angry Birds AppThe smartphone game "Angry Birds" has become incredibly popular with 50 million downloads in just one year. In the game you shoot birds at pigs using slingshots while the pigs try to protect themselves. The Finnish company "Rovio" developed it. Rovio was one of the first companies to develop and release video games for mobile phones.