This is the 223rd most frequent Hebrew word.
וכן
"And so" or "Likewise."
'וכן' indicates addition, similar to 'and also' in English.
הוא אוהב לטייל בטבע וכן לצלם תמונות.
He loves hiking in nature, as well as taking photographs.
'וכן' serves to connect the action of choosing the book with the action of recommending it, showing continuity.
אני בחרתי בספר הזה, וכן המלצתי עליו לחבריי.
I chose this book, and I also recommended it to my friends.
'וכן' here adds the idea of providing practical solutions to the innovative plans already mentioned, enhancing the description.