eBay is becoming more mobile minded. They have introduced a new SMS service, which allows to bid and receive alerts by SMS. A user can for example be informed of the bids on a certain product. A SMS message will inform him when a bidding period has almost terminated. He can then reply by SMS with a higher bid. To receive a message, the user pays 25 eurocent; to send one is at the normal sms rate.
Future project is to introduce a mobile version of the online market place. This already exists in the UK: http://pages.ebay.co.uk/mobile