Should I follow my professor on Instagram?

I had this professor last semester for a class. Our class was small (~15 people), it was my favorite class and she's my favorite professor. I saw that one of my classmates followed her but her account is private. I thought of the possibility of asking her for a letter of rec in the future (since she is the only... show more I had this professor last semester for a class. Our class was small (~15 people), it was my favorite class and she's my favorite professor. I saw that one of my classmates followed her but her account is private. I thought of the possibility of asking her for a letter of rec in the future (since she is the only professor I've ever really talked to lol, I'm a super quiet person) but her area of work is nowhere related to my future career. But the main reason I would follow her is to just talk to her again, to keep in touch and stuff. I don't know, should I do it. Opinions?
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