An exploit that has existed for at least two years just made tech news publicity today, if anything that publicity has just made the vulnerability more widely known - add this to the fact that working exploit code is now available for viewing as well.
The Heartbleed exploit could have been kept as an internal issue for a while after it was discovered and distributed towards other web services in the form of an email or bug report form, not telling every single person (whose intentions are unknown) on Twitter or other similar services.
If such an exploit was widely known already prior to this publicity, you would have already known about it because your account would have been hacked.
So, gg internet.