You'd be surprised but in SEA for 1-4 persons small businesses, that's how you do business. There is no website, offers are sent as pictures. Whatsapp is also used for everything else. I had one rental take a photo of the deposit and sending me the picture.
I'm Indian and see simple websites can get complicated quickly and nobody can edit a phone number without renewing the contract. So Whatsapp and pictures are the internet enabled stack of choice. Also there is so much lying and repudiation of lies that pics over Whatsapp are the "written statement". Traffic police take photos of haphazardly parked cars, makers share photos of in-progress works etc.
