"Social media marketing can't be measured, at least not effectively. Spending money on social media marketing reminds me of the early 2000s, when you couldn't m

"Social media marketing can't be measured, at least not effectively. Spending money on social media marketing reminds me of the early 2000s, when you couldn't measure the effectiveness of banner ads. Everyone was spending on it without knowing what the outcome was." This is very true. While tweeting and facebooking might be very cool, how can you tell it's worth the time you spend doing it without a MEASURABLE return? And if it's not resulting in sales is it worth doing?