New Search Services
Alerting service: For a specified literature, alert user whenever a paper becomes published that uses a term new to that field.
Spotfire: Represent information present in Medline that cannot be accessed with PubMed, present it graphically in web-accessible form.
Automatic query generator: specific two lits and a model of how they are related, this formulates a series of queries. E.g., aspirin helps headaches.