Ключевые слова: app, application, bart, business, cell, cellphone, cellular, communication, commute, concept, connection, device, digital, hail, hand, hold, internet, ipo, lyft, media, message, mobile, modern, phone, pick up, purple, ride, share, silicon valley, smartphone, social, start up, subway, taxi, tech, technology, telephone, touch, touchscreen, transportation, uber, wireless, woman,