I would like to have some suggestions on how to fill my sidebar empty space on a feed aggregator. One solution may be advertising, but for now advertising is not acceptable in the page.
A second solution might be to increase the width of the right side. This makes the page hard to read.
A third solution may be to show something like "top posts" but it makes the whole page a mess. Articles on the left, articles on the right.
For now I have a small graphic at the top of it saying "we need your opinions" because it is a new website.
Thank you for any suggestions.