When you think of B2B eCommerce, you may imagine a group of stuffy executives in suits looking at endless rows of spreadsheets. But with millennials making up 44% of the purchasing decision-makers at B2B companies, that’s simply not the case anymore. At the end of the day, like B2C eCommerce, you’re just selling to people. Those people just happen to be part of a business entity with a lot more money to spend. That’s why B2B eCommerce is exploding in…