To make it simple for you, Gmail will now suggest email subjects to you
Making things easier for its users, Gmail will now suggest the subject for their emails based on the content of they wrote. With Gmail's Smart Compose feature users will find it easy to write their emails starting from Friday. Depending on what you have written, it will tell the subject and if it suits you just press 'Tab' option on your keyboard. Google has informed that it might take 15 days to go live for everyone.