
Users who run out of storage space will now be able to purchase additional space from Google. The extra space will start at US$20 for 6GB and sell as a yearly subscription service.
Additional storage plans include 25GB for US$75, 100GB for $250, and 250GB for US$500 per year. Unlike storage on the free service, users who have purchased the extra capacity will be able to fill it with any combination of Picasa and Gmail content. Free users are limited to each service's default limit.
Gmail launched in 2004 with a 1GB storage limit. One year later that was increased to 2GB, and later to 2.8GB. At the time, this was considered an extremely large amount of storage space in comparison to rival services such as Yahoo Mail and Microsoft's Hotmail.
Google saw its capacity lead diminish, however, when Microsoft bumped Hotmail's limit to 2GB, and Yahoo Mail storage limits altogether.