People bought homes in Santa Fe in 2011. Many more people are buying homes now. Gregg Antonsen ushered in the internet age at Sotheby’s International Realty Santa Fe during his 10 years as senior vice president and qualifying broker. Drew Lamprich will foster the video element in January as he becomes the new vice president and qualifying broker for Sotheby’s local operation. Antonsen will retire to Hawaii, where he established his luxury real estate career and lived in his young-adult years. Video has become a crucial element in home sales as a growing number of people are buying homes in Santa Fe without even coming to Santa Fe — but…