1.Short, and large enough to read on a phone
Keep these to one or two lines. Many grandmothers read messages at arm's length with the text size turned up, and a long paragraph in a small font simply does not get read:
- Happy birthday Nani. Still the best cook in this family and everyone knows it.
- Happy birthday Dadi. I am who I am mostly because of you.
- Many happy returns, Ammamma. Wishing you a year of good health and no worrying about any of us.
- Happy birthday to my favourite person in this whole family. Do not tell the others.
- Happy birthday Nani. Eat something sweet today and let somebody else do the cooking.
- Happy birthday Dadi. Ninety percent of my good habits are yours.



