I have a website need user login to save personal data. But I want to enable user a trial tour if he does not want to register it until he think he actucally need the website' services.
1) What should I do?
1.1) How to save his data before he register and login? I know to use cookies but my data maybe too large to be holded? 1.2) How to migrate the temp data to user account after he registered and signed in.
2) Any sample site or process I can learn?