tedster - 2:21 am on Oct 9, 2012 (gmt 0)
When it comes to a lot of these newer forms of online marketing, they may well have more of an indirect influence on ranking rather than being a directly used metric. What Google is measuring directly (and how they acquire that data) is still quite an open question - one we're considering in a new thread: What user metrics is Google using to determine rank? [webmasterworld.com]
The good news is that addressing these areas can have a DIRECT influence on your market, your visitors and customer. That beats the remote control that going through search engines offers - and in my experience, somehow or other, when you keep your market happy, search engines DO notice that. It's almost their "holy grail" because they also want to send their users to websites that they wil; be happy with.