The web is a huge place. And while there is a ton of information, needless to say, not all of it is good, a lot of it is worthless, and some of it is untrue, inaccurate, or flat-out wrong.
So, how do you go about finding who/what is worth reading? Ask your sources.
It starts by identifying one writer who makes sense to you. Maybe it's a colleague or someone you know offline. Maybe it's someone you met through online networking or blog reading. Perhaps someone frequently appears in your reader that makes sense to you. Once you have this Archimedean point source, find out who they read, reference, and link to. Then check out those folks. More often than not, you are likely to find them a valuable source of information too.
Here are some folks I find informative:
These are just a few of the folks that I have on my reader radar. So who are you reading?