Google Part II: Alphabet
Built from the bought Where 2 app, rebuilt for the web in about three weeks and launched in February 2005. Its free 2006 API started the mashup era, and it has over 2 billion users and an estimated $5B to $10B revenue.
Tips

A web mapping service with navigation, imagery and a developer API.
Built from the bought Where 2 app, rebuilt for the web in about three weeks and launched in February 2005. Its free 2006 API started the mashup era, and it has over 2 billion users and an estimated $5B to $10B revenue.
Tips
It came from the failed Google Local V2, which made the map the canvas. It drew about 10 million users on launch day, and the August 2005 satellite imagery launch drew 90 million users in one day.
Tips
TravelA marketplace where hosts list unique homes and travelers book stays in 220 countries.
TravelA ride-hailing app that connects riders with nearby drivers.
TravelA ride-hailing app connecting riders with drivers, positioned as a semi-managed marketplace.
TravelA fully driverless ride-hailing service that operates autonomous cars in select US cities.
TravelA low-cost US airline that flies only Boeing 737s and focuses on short-haul routes.
TravelA trail discovery and navigation app for hiking, trail running, mountain biking and backpacking.
TravelA booking platform for regular hotel rooms rented by the hour for short stays.
TravelA solo travel app where users post activities and nearby travelers get notified and can join.