Meta’s $3.5 billion investment in EssilorLuxottica is the clearest sign yet that some of the biggest names in tech and eyewear see smart glasses as a commercially viable category with a long-term future. Recent months have seen a flurry of activity as major players in tech and eyewear, from Meta and Google to EssilorLuxottica and Warby Parker, have announced new deals centred on smart glasses. The frenzy has followed on the surprise success of the second generation Ray-Ban Meta glasses, which