Plataforma Coletiva is an all-in-one solution for people interested in setting up and running their own group buying site. So any reference to its features such as user-friendliness, practicality and functionality would be nice. Think of it as Blogger or WordPress but for e-commerce management. Something powerful but at the same time simple to use.
Our main audience are male entrepreneurs, raging from ages 25-50. They want to open their own group buying site but don't have enough technical knowledge or money to hire a specialized IT team.
We'd love to see designs that make reference to group buying, deals, coupons, etc.. A good example of what we are looking for is the logo of Shopify (http://www.shopify.com). It's simple and makes an instant connection to the act of shopping.
Another approach could be exploring technology, software, platform and similar concepts.
We have already selected the template that the site is going to use, so it may help in the creative process of the logo: