Why is eBay showing advance bids on item site eg Bid 0.49 advance bid $1.76 ebay lets everyone see

[myami68]

On a number of items which I made an  advance bid,ebay list what my bid was and the amount of my advance so anyone can bid higher,Check your items you have for sale or you made abid on.

[pierrelebel]

Only the bidder (you) can see the high bid.