It doesn't hurt that Singapore has some of the lowest taxes in the world, including none on capital gains and most foreign dividends.

WSJ: Wealth Over the Edge | WSJ.Money Spring 2013

None succeeded, including Microsoft founder Bill Gates.

WSJ: Menu

There are plenty of decent Twitter apps for iPhone, including the official version, but none seem to bundle the best of the best features (multiple timelines, smart gestures, native push notifications, customizable navigation) with Tweetbot's polished feel.

CNN: 50 new tech tools you should know about