Features

Sanmita

Google Sites

Facebook

MySpace

Confluence

Vivo

100% layout customization

Yes

No

No

No

No

No

100% theme customization

Yes

No

No

No

No

No

100% color customization

Yes

Yes

No

Somewhat
http://www.boutell.com/newfaq/sitespecific/myspacebackground.html

No

No

Storage (MB)

2,000

100
http://www.google.com/support/sites/bin/answer.py?answer=96770

Unknown

Unknown

Unknown

Unknown

Bandwidth (MB per month)

50,000

Not very clear, but if you search the net, you will find many post with "Bandwidth exceeded" message. Here is what Google says:
http://www.google.com/support/pages/bin/answer.py?hl=en&answer=60424

Unknown

Unknown

Unknown

Unknown

Web based file manager

Yes
(Also allows online editing of your pages and images)

No

N/A

N/A

No

No

CUWebAuth 2.0 Tested

Yes
(Although CUWebAuth 2.0 has been tested on Sanmita's hosting environment, each customer is required to get CIT approval on using CUWebAuth on their sites/applications hosted outside CIT)

No

No

No

Yes

Yes

Guaranteed uptime

99.9%

No

No

No

Unknown

Unknown

Support

Phone, Email, Customer Portal

Online help & forums

Online help & forums

Online help & forums

Unknown

Unknown

Option to upgrade to include ColdFusion, SQL Server and CMS Software

Yes

No

No

No

No

No

Learning curve

Virtually none

Use the same tools that you have used until now to create, update, and edit your pages

Some

Some

Some

Some

Some

Advertisements

No

No

Yes

Yes

No

No

Recommended applications

Professional identity, promotion, and outreach

Collaborative Wiki

Social Interactions

Personal pages

Best Collaborative Wiki

Vivo brings together anything related to academic and research pursuits at Cornell
(ref: http://vivo.cornell.edu/about)