The Library of Congress announced the successor to Thomas.gov (the current site to access congressional information). Congress.gov will eventually provide access to the same information as Thomas.gov, and more; however, Congress.gov provides easier access to the data via a series of APIs.
Google has added semantic time support to the time fencing feature of its Awareness API. Prior to semantic time support, time fencing was limited to absolute/canonical time (e.g. 10:00 AM). Semantic time enables the use of more natural time refererences (e.g. after sunset, the weekend, etc.)
The Display & Video 360 API, which was first announced back in March, has seen a steady flow of updates over the past several months. Google has added to those improvements with a series of new features being added to the platform.