How much is Snapchat worth? It's clear its founders think the answer is more than $3 billion. The ephemeral photo-texting service rejected a buyout offer from Facebook, and not long after that news broke, Snapchat got implicated in a child pornography investigation in Canada. Meanwhile, HealthCare.gov's tech woes were the focus of a House Oversight panel investigation, and a separate House panel released documents showing the July warnings that things weren't looking good, preparation-wise. IT procurement is getting more love and attention from Washington figures, so earlier in the week we featured a handful examples of government IT projects that actually worked.