Linked in isn't facebook. If you are using your "status" as a glorified twitter account, you're doing it wrong.
If you are looking for a new job, contact the people you think may be able to help directly via message.
Status messages customized to an audience type in a world of public information being available on google is a bad idea in general, regardless of linked in's behaviors.
Erm yes I know how to send a message thanks. Nevertheless if I update the skills/experience section of my profile, everyone will be notified. There's no way around your cow-orkers knowing that you've updated your CV.
You are "building a personal brand" to assist with your current position. If, your work asks, that is..and if you can "spin" it that way. Perhaps you wish to look current for when asking programming advice.
If you are looking for a new job, contact the people you think may be able to help directly via message.
Status messages customized to an audience type in a world of public information being available on google is a bad idea in general, regardless of linked in's behaviors.