So eBay’s partnered with Google to provide Google adwords results for the non-US market; eBay has exactly the same deal with Yahoo for the domestic US market. Odd moves indeed, but definitely safe ones for eBay.
The business behind the partnership is obviously sound; as the Search Engine Journal notes, Google has a greater search engine market share outside the US, which eBay is moving to capitalize on.
However, what worries me (a vague, insubstantial ghost of a worry for the moment), is what happens to our user data. Does eBay really share just search keywords with Yahoo/Google? Or does more user data get moved around? eBay’s privacy policy indicates that personal information may be shared with “members of our corporate family to help detect and prevent potentially illegal acts and provide joint services; (Our corporate affiliates will market only to users who request these services.)”. What exactly that means with regards to the partnerships with Yahoogle (pardon my French) remains unclear - does redirection of user-provided search keywords qualify as a “joint service”? Will users get to opt in to this service (we don’t seem to right now)?
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