Google has had a quiet seven days, but still managed to come under fire from the European Commission twice over antitrust allegations.
The search company also snapped up a startup to give it the capabilities to take on Slack.
Google received an extra six weeks to respond to formal charges filed by the European Commission in April relating to the bundling of its own services on the Android platform.
The EC accuses Google of restricting the ability of Android smartphone and tablet makers to add competing apps to the operating system, and paying phone makers and telecoms operators to install only the firm's search app on phones.
EC hits Google with another antitrust case over AdSense unit
Google was hit with another European Commission antitrust case, this time accusing the firm of hindering competition in the online advertising market with its AdSense business.
The EC's Statement of Objections claimed that AdSense stifles innovation in the market and could break European antitrust rules.
Google announced the acquisition of Kifi as the company looks to bolster the recently launched Google Spaces service.
Spaces launched just before Google I/O this year as a way for small teams to collaborate and share data.
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