Yahoo patent applications published on 26 February 2015

4 US patent applications published on 26 February 2015 and assigned to Yahoo

1 20150058720 SYSTEM AND METHOD FOR AUTOMATICALLY SUGGESTING DIVERSE AND PERSONALIZED MESSAGE COMPLETIONS
2 20150058114 DWELL TIME BASED ADVERTISING IN A SCROLLABLE CONTENT STREAM
3 20150058113 DWELL TIME BASED ADVERTISING
4 20150057035 SYSTEM AND METHOD FOR CONTEXTUAL SOCIAL MESSAGING