Google is primarily used for searching the open web, but also hosts a number of content silos:
Google also provides hosted client services:
Various development tools:
Exporting From Google
Google has at least one silo that they've shut down login/write access to, but are seemingly still maintaining its post permalinks (in redirect form)
Google has shutdown a number of silos:
See site-deaths for more.
Google has shutdown a number of services (most recent first):
For more see:
Articles and blog posts critical of Google's behavior with respect to the open web, indieweb, open standards etc.:
Google is primarily known for its dominant search engine.
Google Web History
You can save your Google search history by explicitly turning on Google Web History
And then look up your past Google searches:
Google collects your search history for the purpose of gathering data for ad serving.
They do this whether or not you are logged in (e.g. with cookies), and whether or not your have opted into Google Web History (see below), though you can also opt-out of all ad-customization.
There is something apparently that shows your demographic and psychographic buckets according to this data, but only at a high level. It should be browsable and searchable.
Apparently they scrub logs after somewhere between 6 and 18 months, and much of the extra details stored in history they don't store at all, or only temporarily (until the log savers get to it, i.e. days).
Aaron and Tantek met via Google Search
Aaron Parecki was visiting San Francisco (from Portland), used Google on 2009-09-23 to search for meetups in San Francisco, and found:
Aaron showed up, met a bunch of the microformats community in San Francisco:
Including Tantek. They kept up remotely and met again at the Federated Social Web Summit 2010, which provided inspiration for them to co-found the IndieWebCamp community, and co-organize (with Amber Case and Crystal Beasley) the first IndieWebCamp two-day event in 2011.