LinkedIn was hacked,and on their blog  they recommend below
We are working hard to protect you, but there are also steps that you can take to protect yourself, such as:
me: guys if you cannot make your systems secure,then do not use an unsalted SHA1 ( please do not pick md5sum in your next “solution”) format to secure them.That said,we do not need you to protect us something specially as you write it in  ,but just use proper tools to protect your site,and our passwords there.
And below LinkedIn recommendations [ ->  ] are epic … Is this joke?Nothing better to offer than copy/paste of “security advices”
- Make sure you update your password on LinkedIn (and any site that you visit on the Web) at least once every few months.
- Do not use the same password for multiple sites or accounts.
- Create a strong password for your account, one that includes letters, numbers, and other characters.
- Watch out for phishing emails and spam emails requesting personal or sensitive information.
Going to implement 1-4 🙂