You should understand that "my mom" and "my grandmother" are commonly used to denote technical illiteracy/incompetence and inability to keep up with the latest technological advances. This usage remans an unchallenged bastion of both sexism AND ageism -- a double whammy!
Proper usage:
* This app is so easy, my mom could use it!
* This article is easy to follow and avoids too much jargon -- my grandma would even understand most of it!
Proper usage:
* This app is so easy, my mom could use it!
* This article is easy to follow and avoids too much jargon -- my grandma would even understand most of it!
... you get the picture.