Complex sentence: Meir Kalmanson, better known by his stage name Meir Kay, is an American internet personality best known for his Vlogs on YouTube, which has amassed over 350 million views and his social media presence with upwards of one million followers.
Split into simpler sentences: Meir Kalmanson, better known by his stage name Meir Kay, is an American internet personality best known for his Vlogs on YouTube. He has amassed over 350 million views and has a social media presence with upwards of one million followers.