And the most popular Google services aka sub sites by usage (hours spent on the site) are:
Percent of all Google site visitors
- Search google.com 71.36%
- Gmail mail.google.com 44.93%
- Profile accounts.google.com 36.34%
- Google Drive (Google Docs) docs.google.com 9.12%
- Google Plus plus.google.com 7.72%
- Google Translate translate.google.com 6.07%
- Help support.google.com 5.00%
- Maps maps.google.com 4.91%
- Google Drive drive.google.com 4.10%
- Play play.google.com 2.59%
- Adwords adwords.google.com 2.18%
- News news.google.com 1.75%
- Sites sites.google.com 1.01%
- Code code.google.com 0.91%
- Feedburner feedburner.google.com 0.78%
- Product forum productforums.google.com 0.74%
- Groups groups.google.com 0.67%
- Url url.google.com 0.56%
- Developers developers.google.com 0.56%
- Picasa picasaweb.google.com 0.55%
- Image search images.google.com 0.53%
- Ejabat ejabat.google.com 0.46%
- Google Scholar scholar.google.com 0.14%
Interesting isn't it? So Google documents are used more than Google Plus while Picasa for storing and viewing photos is not used that much. By the way, for a researcher the Google Scholar is quite useful service. :)
