I have been using this program to market my business since 2013, it has helped me reach more people with less effort than any other platform out there! It's easy-to use interface makes creating campaigns fast & cheap which is great when you're bootstrapping or starting up an eCommerce store that doesn't need huge budgets behind them (like myself).
There are some things about their website UI/UX where they could make improvements but nothing too major - just minor stuff like font sizes etcβ¦