1) The sunflower is not a single flower but a cluster of small flowers arranged in a spiral pattern.

2) Automated Teller Machines (ATMs) allow individuals to perform banking transactions, such as withdrawing cash, outside of traditional bank branches.

3) The first consumer digital video recorder (DVR), the TiVo, was introduced in 1999 and allowed users to record and store television programs for later viewing.

4) The first sound film, "The Jazz Singer," was released in 1927 and marked the transition from silent movies to "talkies."