I just came across a fantastic post by a fellow member of the e-Marketing Association on LinkedIn: Do B2B Marketers Need a Mobile App or Mobile Website?
I can fully agree with his first line: "it's clear that B2B marketing needs to include mobile." JMG has seen the same need with the smartphone explosion. In fact, this post caught my eye so quickly because we are developing a mobile app for one of our B2B clients as I write!
If you are considering going mobile with your marketing, read through his 6 Considerations. The list of advantages for apps vs. websites will help you clarify your marketing strategy and investment in mobile marketing.