| Service
|
Aggregators
|
Xenos
|
| Fee for information?
|
Yes
|
Free
|
| Fee increases as distribution increases?
|
Yes
|
Never
|
| Fee increases by 8% a year (a.k.a. "uplift")?
|
Frequently
|
Never
|
| Fee increases if number of sources grow?
|
Yes
|
Never
|
| Information always latest available?
|
Not always. Reliant on information source making it available to aggregator. Frequent delays in uploading information into databases.
|
As soon as the source (e.g. a newspaper) uploads the data to its web pages, the information is available.
|
| Can distribute information as newsletters?
|
Sometimes, provided additional fees are paid.
|
Always, no fees.
|
| Can distribute information as RSS feeds?
|
Sometimes, for a fee.
|
Always, no fees
|
| Can distribute information as newsletters AND RSS?
|
It's rare ... and there are usually lots of fees.
|
Always, no fees.
|
| Complete control over newsletter formating?
|
No.
|
Use CSS stylesheets to change formatting. Use XSLT templates for complete structure and style control.
|
| Service
|
Aggregators
|
Xenos
|
Xenos cost savings 
