I don't think there will be another UNI airdrops because so many people are now using UniSwap,
on an airdrop site i often see top exchanges that have an airdrop . this can be possible on uni exchange , you will know it if you follow airdrop sites or the uni exchange itself if they have announcements .
but I'd like to see another exchange like UniSwap we need more decentralized exchange now, I have this feeling that Decentralized exchange and Decentralized Finance is going to be the next big thing, and people will start to adopt or embrace it.
after the boom of uniswap , many exchange simillsr to uni swap are then coming out . there names have swap and uni but its followed by other words to avoid imitating the whole concept of the original uniswap . dex are been there before and experience to become the main thing but cex takes over but the appearance of defi is starting to revive dex'es again .