The much-vaunted Google Health is online.
There’s a good early review at TechCrunch. Expect further coverage from bloggers who cover personalised medicine issues; you know who they are.
Questions that occur to me are: (1) how much personal information do you need to enter for the service to be useful; (2) how much will users be willing to enter? This will be a real test of the degree to which people trust Google with personal information.
What You're Doing Is Rather Desperate 
That last part is the key, IMO. It will drive (1)
Yeah, deepak, but 2 also depends on 1, too. People will keep entering info as long as they’re getting a return on their investment.