Well, basically you're on the right track. But dont use cookies. store the ids in the session or on the database.. i think database is better because you can keep a history of what the customer compared.
Great! I appreciate the feedback. I will try sessions first and then try a database to see which is more effective for me.
I agree.. I would do the same DB!. So you can keep customer history and product history, even google can index it.
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