Welcome to #Nostr

Suggestion:
Follow topics using hastags, click on this hashtag: #rockclimbing, cand you will have the option to follow it if using the right mobile or web browser client

If on Android, 

nostr:nprofile1qqs24yz8xftq8kkdf7q5yzf4v7tn2ek78v0zp2y427mj3sa7f34ggjcpzamhxue69uhhv6t5daezumn0wd68yvfwvdhk6tcppemhxue69uhkummn9ekx7mp0qyg8wumn8ghj7mn0wd68ytnddakj703s8dt is an excellent choice, feature rich, supports privacy, tiktok like feeds, multi user, supports #Amber (more more security), TOR, private chats, etc.

nostr:nprofile1qqs9ajjs5p904ml92evlkayppdpx2n3zdrq6ejnw2wqphxrzmd62swspzemhxue69uhhyetvv9ujuvrcvd5xzapwvdhk6qgdwaehxw309aukzcn49ekk2qghwaehxw309aex2mrp0yh8x6tpd4ehgu3wvdhk6ynf30t is a good alternative, more like Telegram, including chat groups, channels and voice and video calls, all encrypted e2e

if on iOS:
https://media.tenor.com/-SP6MqFnCBEAAAAC/but-why-nevermind.gif

Enjoy Nostr!