> If my mom does a search for something, or if I do a search for something, Google treats us exactly the same. My mom loves crafts, and I love software development. We should get completely different results.
This is actually not true. Different users do get different results, not only based on whether they are searching using their local google site or e.g. google.com, but also based on their search history.
For example, when I searched for GAC (I'm signed in with my google account), the first result I got was:
b) you enable web history (which is disabled by default and not very advertised)
meaning that for most people, they do get the same results (apart from the local site - which i've come to see that is very targeted by spammers, rendering it useless)
Good point, which highlights the problem with this approach. No one wants to give Google/MS/Facebook all their personal private data just so their searches can be customized.
This is actually not true. Different users do get different results, not only based on whether they are searching using their local google site or e.g. google.com, but also based on their search history.
For example, when I searched for GAC (I'm signed in with my google account), the first result I got was:
http://en.wikipedia.org/wiki/Global_Assembly_Cache