Methods and systems for real-time bidding

A method comprising:

• receiving, from a client machine of a user, a selection of an auction for bidding;
• generating a first notification for the user when a time remaining in the selected auction is less than a predetermined amount of time, the first notification being generated before an end of the selected auction when a winner of the auction is determined, the first notification comprising a user interface element configured to enable the client machine of the user to send a subscription message associated with the auction;
• transmitting the first notification to the client machine before the end of the selected auction;
• receiving the subscription message from the client machine after transmitting the first notification, the subscription message enabling receipt of a highest received bid in the selected auction;
• establishing an electronic connection with the client machine responsive to the received subscription message, the electronic connection established using a push technology;
• filtering a plurality of events related to the selected auction to obtain a filtered event that includes the highest received bid in the selected auction;
• and
• pushing, by a server machine;
• the filtered event to the client machine via the electronic connection before the end of the selected auction, the pushing of the filtered event causing a display on the client machine notifying the user of the highest received bid in the selected auction.

A non-transitory machine-readable storage medium having instructions executable by a processor, that when executed by the processor cause the processor to perform a method for bidding, the method comprising:

• receiving, from a client machine of a user, a selection of an auction for bidding;
• generating a notification for the user when a time remaining in the selected auction is less than a predetermined amount of time, the notification being generated before an end of the selected auction when a winner of the auction is determined, the notification comprising a user interface element configured to enable the client machine of the user to send a subscription message associated with the auction;
• transmitting the notification to the client machine before the end of the selected auction;
• receiving the subscription message from the client machine after transmitting the notification, the subscription message enabling receipt of a highest received bid in the selected auction;
• establishing an electronic connection with the client machine responsive to the received subscription message, the electronic connection established using a push technology;
• filtering a plurality of events related to the selected auction to obtain a filtered event that includes the highest received bid in the selected auction;
• and
• pushing, by a server machine, the filtered event to the client machine via the electronic connection before the end of the selected auction, the pushing of the filtered event causing a display on the client machine notifying the user of the highest received bid in the selected auction.