Where do people find a list of app hashtags so someone like nostr:npub1k0q6df492lwfpzdp9qu4xdvud3m4z5v4chr59z8lsrwlz704g3xqttr2f4 make use of them to decide whom to follow?

#asknostr

nostr:nevent1qqs8ug2r69zt9cfxdu4s30wmh23sr4hypq5xxpd47dnpkxz07e4tg4spzpmhxue69uhkummnw3ezuamfdejsyg9ncxn2df2hmjggngfg89fnt8rvwag4r9w9capg3luqmhchna2yfspsgqqqqqqsrmmwtx