Seven Network’s Internet joint venture Yahoo!7 is bowing interactive skein “PS Trixi,” billed as “a cross between an online drama and an interactive game.”Skein tells the story of radio DJ Trixi who quits after a work affair ends. Her story is told via Web pages, Webcam videos, games, emails and podcasts as she relaunches her career. Aud must solve puzzles to follow Trixi’s exploits via blogs, dedicated sites and photosharing site Flickr. “Trixi” has a strong TV pedigree. It is written by scribes Deborah Cox (ABC drama “SeaChange”) and Marissa Cooke (Foxtel’s “Love My Way”) and stars Erinn Swan in the title role. Skein bows Monday.