Twitter Inc. Chief Executive Officer Dick Costolo said the online service for 140-character messages is increasingly being used to track personal health with wearable computing gadgets such as Nike Inc.’s fitness devices.
John Doerr, the lead partner at venture capital powerhouse Kleiner Perkins Caufield & Byers, is joining Zynga Inc.’s board of directors, bolstering governance at the game maker as it seeks to revive growth.
Facebook Inc. Chief Executive Officer Mark Zuckerberg announced the creation of an advocacy group called Fwd.us to lobby for immigration changes, higher academic standards and investments in scientific research.
Google Inc. has called on venture capital heavyweights Andreessen Horowitz and Kleiner Perkins Caufield & Byers to spur creation of software for Google Glass, its wearable mobile-computing devices that resemble spectacles.
John Doerr, head of Kleiner Perkins Caufield & Byers’s alternative-energy practice, said he would give the U.S. a C grade for development of green technology, which trails innovation in Internet and biotechnology.
Venture capitalist John Doerr and his wife gave $1.5 million last week to a group that’s defending global-warming legislation in California, bringing the couple’s total contribution so far to $2 million.