What is Gmail? Gmail is Google's free web email service (currently in Beta, and not public to sign up) with initially 1 Gigabyte, and now over 2 Gigabyte of storage and growing (the storage keeps on growing dynamically, so it's larger everyday). How do I sign-up for Gmail? You can register with a US cell phone number. My Gmail is down, I can't connect... what to do? Try deleting your cookies, empt