Sinch is paying $20.4m upfront for the message-based marketing platform, six years after ABC Systèmes et Formation acquired a 25% stake.

A+E Networks has exited online television portal TVPlayer, three years after leading a $6.4m round for the UK-based company.

Financial services-focused contextual search platform Selerity has been purchased after raising more than $12.3m in equity funding from investors including Citi.

Conichi has been purchased by strategic investor HRS and will be integrated into the travel booking platform's business division.

R/GA is exiting drone workflow automation platform Hangar Technology, which has been purchased by AirMap for an undisclosed sum.

Facebook has paid a reported $500m to $1bn to acquire neural interface technology developer Ctrl-Labs, which had raised $67m from investors including GV and Alexa Fund.

Unity Technologies has bought game development services provider DeltaDNA, which had raised at least $4.3m from investors including STV.

HP has paid an undisclosed sum for anti-malware software producer Bromium, which had raised $110m of funding from investors including Intel Capital.

Creditshelf is buying business financing tool developer Valendo, which has raised an undisclosed amount from investors such as ProSiebenSat.1 Accelerator.

Comcast has reportedly purchased over-the-top video platform Metrological, providing an exit to Liberty Global.