What are the relative merits of using a widely used framework such as Foundation or Bootstrap compared with Drupal themes such as Zen or AdaptiveTheme? (I posted this last fall and got no replies. I haven't done any A/B testing myself, but I'd still appreciate comments from people who are familiar with both.
And part two of the original question: Does this change with D8?
I just started a group called "Drupal as a Mobile Backend" and, if you have built a mobile app on Drupal and/or would like to share ideas/experience, I'd like to invite you to the group.
Well, I manage the website of my association under a drupal 7 and I will like to establish an online sales system for T-shirts in different sizes (S, M, L, XL) with payment via Paypal.