Lost Gmail chats cannot be recovered. These chats are the ones that once deleted cannot be revived. The chats are with contacts in your list.
Gmail Chat history is stored by Gmail. It is present in the individual chats of person. You can click on the contact to view the chat you had.
No, you cannot recover Gmail using Facebook. You have to recover it via Gmail only. Both of these are different organisations.
You can recover the Gmail password by various steps. You have to enter the last password you remember. Or at what time you created the account.
You can recover your username also from Gmail. It is the same way you can recover your password. Some steps are to be followed for that.
You cannot send an SMS using Gmail. Gmail is for sending mails and chats. You can however send a mail to the person in their mailbox.
Gmail account is a thing of daily life now. You can check your mails on the go. You can also manage mails and send chats to friends.
I think you cant but im not 100% sure
You can use pidgin. www.pidgin.com
You cannot watch previous conferences in Gmail. They are live conferences and are not stored. Only mails and chats are stored in it.
im losting my password
After shrink i cannot recover unallocated space
You cannot know from a Gmail ID that who created it. The Gmail ID's are private and cannot disclose secrets. You cannot know who created and who is using it.