The business of beauty
Hair styling and makeup professionals are invited to attend an evening of networking and discussion of beauty trends and industry challenges. Sunday, 2 to 4 p.m., Savin Hill Bar & Kitchen, 112 Savin Hill Ave., Boston. Free. Register online or go to the business agenda at bostonglobe.com.
Working in AI
Those with an interest in working in technology sectors like artificial intelligence are encouraged to log in to an online seminar to learn the prerequisites required for work in this field. Topics of study will include probability, statistics, linear algebra, and high-level programming language. Saturday, 11 a.m. to 1 p.m., online. Register online or go to the business agenda at bostonglobe.com.
The art of Instagram photography
Attend a workshop on flat-lay photography to take your business’s Instagram page to the next level and attract clients. Participants will receive tips from industry professionals, a styling starter kit, one-on-one instruction. They’ll also leave with curated images for immediate use. Sunday, 1 to 4 p.m., Warehouse XI, 11 Sanborn Court, Somerville. $150. Register online or go to the business agenda at bostonglobe.com.
Get help with income tax returns
The AARP Tax Foundation is sending trained volunteers to help with filing personal, non-business income tax returns. Assistance will be provided on returns less than $40,000 for singles or l joint returns less than $60,000. Bring your social security card, photo ID, last year’s federal and state tax returns and all of this year’s relevant tax documents. Saturday, 9:30 a.m. to 1 p.m., Newton Free Library, 3rd floor, 330 Homer St., Newton. No registration required.