I have noticed different organic results for different logins. Just try it: Login to your Google account and than put some keyword and notice the organic results. After that just log off and put the same keyword and than see the results.
Google remembers your previous searches and tries to show you sites which they think is most relevant to your search. It's strange how they make the algorithm to do this, but I'm not complaining
Only way to get sterilized organic results is not be logged into Google. I keep a different browser open for that purpose.
I think even if we open a different browser in same system it automatically takes the user log in and it shows that you are loggedin in Google.
Basically everything were doing is being tracked and the data is taylor made for each user. This might be similar to how we get served ads based on our ip sometimes.
every time, i just open a new browser to see the results, and there are some difference between login and logout.
Yes, thats what i am noticing everytime when log in or log off, there is a change in positions of keywords.
If you searching for a keyword with your account online the results will be personalised. While next time you were logged in and do the same search you will get the details of last visit. It's better to do the search without logging in.
Exactly...but the slight change in my opinion is that I am complaining...for webmasters who keep on checking search results for so many reasons, its not a good experience