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This is more a follow-up to Rand's recent Whiteboard "Handling User-Generated & Manufacturer-Required Duplicate Content Across Large Numbers of URLs." I posed my question in the comments, but unsure it will get picked up. My situation isn't exactly the same, but it's similar: Our site isn't an e-commerce site and doesn't have user reviews yet, but we do have maybe 8 pages across 2 product categories featuring very similar product features with duplicate verbiage. However, we don't want to re-write it because we want to make it easy for users to compare apples-to-apples to easily see which features are actually different. We also have to run disclaimers at the bottom of each page.\ ​Would i-framing the product descriptions and disclaimers be beneficial in this scenario, with the addition of good content?​ It would still be nice to have some crawlable content on those pages, so the i-framing makes me nervous unless we compensate with at least some above-the-fold, useful content that could be indexed. Thanks, Sarah

So I've just been contracted to do some on-page and local SEO for a number of websites, and aside from analytics, I don't know how to prove the ROI. Any thoughts on that? For example, how do I prove a restaurant is getting more customers because I optimized their website and established and enhanced local listings (or if that's even the case)? How would I measure that success, especially if there are other variables (maybe they're also kicking off some off-line marketing in tandem ... )