The co-founder of Microsoft and his wife donated $2.65 billion last year in an effort to combat deadly diseases around the world.
Facebook CEO Mark Zuckerberg saw the biggest jump in wealth among all the people on the list, earning him the No. 11 spot.
The hacking group says it attacked Forbes because the publication's "hate for Syria is very clear and flagrant in their articles."
The device will sport a health-tracking features and work with multiple mobile platforms, Forbes reports.
The deal will expand an existing program that offers at least $200 worth of in-store credit for a used iPad.
In order to promote Office 365, select copies of Forbes magazine are coming with a Wi-Fi router inserted inside. Well, you have to sell magazines somehow.
Still Microsoft's chairman but focused more on his charitable endeavors, Gates moves a notch higher amid some heady company.
Microsoft isn't going the Smartwatch 2.0 route with its rumored fitness band. Instead, the company has a more targeted and cloud-connected wearables game plan, sources say.
Executives and founders from Microsoft, Dell, Facebook, and Twitter make the list of the top 400 richest Americans.
The new Nexus phone, rumored to have an imminent debut, can be seen on an AT&T page among items recently viewed.