Dear F-Spot and similar applications: please understand that I alreadyhave a digital photo 'workflow'. However peculiar it is, it works finefor me and I have no interest in having you replace it; all I want todo is edit a photo every now and then. Can't you just let me do that,without making me import all of my photos into your world or otherwisegoing through all sorts of contortions?

Or in short: if you make me choose all or nothing, I

There are a number of schemes for dealing with spam that boil down to'people will get SSL certificates, you only accept email with a validcertificate, and if people still spam the certificate authority willrevoke their certificate'. There is a simple, core problem with theseschemes:

Certificate revocation never works.

Certificate authorities are paid by the people who they issuecertificates to, not by the people accepting those certificates. Thepeople who provide the money do not want their certificates revoked, andso it is not in

Consider a not entirely hypothetical situation: you have an officemachine that serves as one end of a GRE tunnel ,and, in addition to its official network interface, has a fluctuatingnumber of secondary interfaces on various internal VLANs for testing,debugging, and so on. The simple approach for such a machine is to justturn on global IP forwarding and cross your fingers that no one willdecide to make the machine their gateway (apart from the GRE link). Butthis is not ideal; if nothing else,