I can see a big problem looming and it is not because I am either brilliant nor paranoid, just observant and thoughtful about ionterrelected facts.

Here are some doozies.

1. mobile code (Flash, JavaScript, and Java) is being syndicted even more fervently than web ads
2. tainted web ads have were positioned all over the web even on legit sites last year
3. problem is "too much trust"
4. same companies syndicating this mobile code are the companies who were accepting Windows-virus infected ads last year
5. nobody is publicly moderating these tendrils
6. if live.com, msn.com, facebook - or one of a half dozen or so other mobie code/content sites getes hacked - the social web is going to infect a really huge user base
7. if there is an "architect" for syndicated content on the web who does risk management and general security oversight of social media sites, I sure do not know his name or what agency or non-profit he works for
8. browesrs are getting "overpowered" by malware hacks o varying degrees; IE, clearly has no limits to what can go wrong
9. once a browser gets infected: game accounts get stolen, money in bank accounts vanishees, corporate & private data makes a quick getaway

My opinion is this is probably going horribly awry or will soon. The viruses spread by web ads was easy to see coming a year ahead of time. This syndicateed moobile coode on social web sites is looking like a time bomb comparable to ActiveX and some other "you have got to be kidding" technologies.

If you are running your computer and browser as-is, instead of having major white list driven constraint addons in it - I think you are asking for trouble and it will arrive. Do not trust your web browsre and do not trust the web.

The downside is that a fair amount of social web sites will not run if these sites are blocked. I think I am giong to back away from using social web sites much until the whole thing breaks down and someone finally comes along and builds them right.

I should not have to trust 10 companies, some of which I do not trust, just to use a web page from some completely different company that I trust a lot more than them.