There's a number of "memes" going around which aren't memes.

[conuly]

You click on them and they upload the same post to your journal that you just fell for. Right now, they're not said to actually be a security risk, but since they easily could be please do yourself a favor and don't click on any links unless 1. the link is written as a URL and you trust the site it links to or 2. you confirm with the person who made the entry, somebody whom you trust, that it IS a real entry.

This has been a public service announcement. Djusk' a.