Quick news from around the Web.
> Apple reveals iOS application security secrets. Article
> AppMobi launches HTML5-based 'Boom Town' on iOS, Android and Facebook. Article
> Fiksu: iPhone app downloads drop 5% in April. Article
> T-Mobile USA, Boku team on carrier billing for in-app purchases. Article
> BlackBerry PlayBook OS update improves Android app compatibility. Article
And finally... It Took Taco Bell Ten Weeks to Sell 100 Million Doritos Locos Tacos. Article