No, your followers won't able to see what you see or search on Instagram. Moreover you can like any uploads, and search your liked page ,people and your follower's won't able to see your path. My humble suggestion to you please see the private and security policy of Instagram you get more information about their products. Enjoy :)
Data limits. Data collection limit. Every user interaction can be sent to Analytics as an individual hit, including (but not limited to) each pageview, screenview, event, and ecommerce transaction. As a result, a single session can result in many hits.
There are two limits for tax-free gifts: an annual ceiling of $13,000 to any one person, and a separate $5 million lifetime limit. Compromise legislation passed in 2010 set the tax exemption limits and indexed them for inflation, but the legislation is due to expire at the end of 2012, so the limits could change.