So here is a list of places where all I have actually officially done it! ( and loved every minute of it if I may add :) )

At home
Sofa / couch, bed, below the bed, table, kitchen counter, lounge chair, under the blanket/comforter, over the blanket, without a blanket, inside the closet, in the bathroom, on the seat, inside the bath tub, in front of the mirror, stairs, balcony, window sill, in the shower, computer table, below the table, on side of the table, door step, laundry room, on the washer, on the dryer

Exciting? Read on… :)
At school
Classroom, project room, lobby, bathroom, gym, lab, convenience store, coffee station, stairs, couch in the lobby, conference room, department office

At the office
Cube, conference room, floor

Others
Airplane, train, bus, mall, movie theatre, starbucks…

Yeah, I have pretty much checked email everywhere!! :))