Some experts say lengthening the school year is more important, because there is ample evidence that some students, especially those who are low-income, suffer setbacks in their learning from being out of school duringthe long summervacation.
He created the genetic algorithm that runs the app after reading programming books and forums, writing the code during his summervacation and sending mail shots to the tech press to get coverage.
Before making his statement in Parliament, Brown paid tribute to the 37 British troops who had been killed in Afghanistan duringthe lawmakers' summervacation, naming each individually.