1) The sitcom "Friends" is known for its iconic Central Perk coffee shop, where the main characters often gather.

2) Mount Kilimanjaro in Tanzania is the highest mountain in Africa and attracts climbers from around the world.

3) The first commercial mobile phone, the Motorola DynaTAC 8000X, was released in 1983 and weighed nearly 2 pounds.

4) The human brain has a storage capacity equivalent to around 2.5 petabytes, which is roughly equivalent to three million hours of TV shows.