All we know in last 07/07/07 gmail.com has enabled without invitation signup features. Though some people till now buying gmail invitations from eBay. Yah! Price is less then a dollar but why people doing this things? They don’t know it’s free and can possible to open without any invitation and also gmail giving you the secure 6 Giga Byte space and everyday they increasing their space too. Checkout this link and you will Gmail Products search.ebay.com/gmail.
Some People Still Buy Gmail Invites from eBay [via labnol]