Alphabet is a holding company. Through its subsidiaries, Co. is engaged in its primary business, Google, which comprises of Google Services and Google Cloud segments. Google Services' main products and platforms include Android, Chrome, Gmail, Google Drive, Google Maps, Google Photos, Google Play, Search, and YouTube. Co. also provides advertisers with tools that help them attribute and measure their advertising campaigns. Google Cloud invests in infrastructure, security, data management, analytics and artificial intelligence. Co.'s Other Bets engages in the sales of internet and TV services through Access, as well as licensing and research and development services through Verily.