Teeth, Samsung Group, Silicon Labs, Spansion, Tesla, United Devices, VMware, Xerox, and Zoho Corporation. In 2010, Facebook accepted a grant to build a downtown office that could bring as many as 200 jobs to the city. The proliferation of technology companies has led to the region's nickname, "Silicon Hills", and spurred development that greatly expanded the city. Austin is also emerging as a hub for pharmaceutical and biotechnology companies; the city is home to about 85 of them. In 2004, the city was ranked by the Milken Institute as the No. 12 biotech and life science center in the United States and in 2018, CBRE Group ranked Austin as #3 emerging life sciences cluster. Companies such as Hospira, Pharmaceutical Product Development, and ArthroCare Corporation are located there. Whole Foods Market, an international grocery store chain specializing in fresh and packaged food products, was founded and is headquartered in Austin. Other companies based in Austin include NXP Semiconductors, GoodPop, Temple-Inland, Sweet Leaf Tea Company, Keller Williams Realty, National Western Life, GSD&M, Dimensional Fund Advisors, Golfsmith, Forestar Group, EZCorp, Outdoor Voices, Tito's Vodka, Indeed, Speak Social, and YETI. In 2018, Austin metro-area companies saw a total of $1.33 billion invested. Austin's VC numbers were so strong in 2018 that they accounted for more than 60 percent of Texas' total investments. Culture and contemporary life "Keep Austin Weird" has been a local motto for years, featured on bumper stickers and T-shirts. This motto has not only been used in promoting Austin's eccentricity and diversity, but is also meant to bolster support of local independent businesses. According to the 2010 book Weird City the phrase was begun by a local Austin Community College librarian, Red Wassenich, and his wife, Karen Pavelka, who were concerned about Austin's "rapid descent into commercialism and overdevelopment." The slogan has been interpreted many ways since its inception, but remains an important symbol for many Austinites who wish to voice concerns over rapid growth and development. Austin has a long history of vocal citizen resistance to development projects perceived to degrade the environment, or to threaten the natural and cultural landscapes. According to the Nielsen Company, adults in Austin read and contribute to blogs more than those in any other U.S. metropolitan area. Austin residents have the highest Internet usage in all of Texas. In 2013, Austin was the most active city on Reddit, having the largest number of views